# Definition

**_Strong number_** is the number that *the sum of the factorial of its digits is equal to number itself*.

## **_For example_**:  **_145_**, since 
```
1! + 4! + 5! = 1 + 24 + 120 = 145
```
So, **_145_** is a **_Strong number_**. 
____

# Task

**_Given_** a number, **_Find if it is Strong or not_**.
____

# Warm-up (Highly recommended)

# [Playing With Numbers Series](https://www.codewars.com/collections/playing-with-numbers)
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# Notes 

* **_Number_** *passed is always*  **_Positive_**.
* **_Return_** *the result as* **_String_**
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# Input >> Output Examples


```
strong_num(1) ==> return "STRONG!!!!"
```

## **_Explanation_**:

Since , **_the sum of its digits' factorial of (1) is equal to number itself (1)_** , **_Then_** its a **_Strong_** .  
____

```
strong_num(123) ==> return "Not Strong !!"
```

## **_Explanation_**:

Since **_the sum of its digits' factorial of 1! + 2! + 3! = 9 is not equal to number itself (123)_** , **_Then_** it's  **_Not Strong_** . 
___

```
strong_num(2)  ==>  return "STRONG!!!!"
```

## **_Explanation_**:

Since **_the sum of its digits' factorial of 2! = 2 is equal to number itself (2)_** , **_Then_** its a **_Strong_** .  
____

```
strong_num(150) ==> return "Not Strong !!"
```

## **_Explanation_**:

Since **_the sum of its digits' factorial of 1! + 5! + 0! = 122 is not equal to number itself (150)_**, **_Then_** it's **_Not Strong_** . 
___
___
___

# [Playing with Numbers Series](https://www.codewars.com/collections/playing-with-numbers)

# [Playing With Lists/Arrays Series](https://www.codewars.com/collections/playing-with-lists-slash-arrays)

# [For More Enjoyable Katas](http://www.codewars.com/users/MrZizoScream/authored)
___

## ALL translations are welcomed

## Enjoy Learning !!
# Zizou

```python

USER_FILENAME = "<user_code>"
import sys, json, builtins
import math, heapq, bisect, itertools, functools, collections, statistics, fractions, decimal, operator, array, random, re, string, os, pathlib
try:
    import resource as _res
except Exception:
    _res = None
from collections import Counter, defaultdict, deque, OrderedDict
from functools import lru_cache, reduce
from itertools import accumulate, permutations, combinations, product
from math import gcd, ceil, floor, sqrt
from decimal import Decimal
try:
    from typing import *
except Exception:
    pass
try:
    sys.setrecursionlimit(1_000_000)
except Exception:
    pass
try:
    import site as _site
    try:
        _sys_sites = _site.getsitepackages() if hasattr(_site, "getsitepackages") else []
        for _p in _sys_sites:
            if _p and _p not in sys.path:
                sys.path.append(_p)
    except Exception:
        pass
    try:
        _usp = _site.getusersitepackages()
        if isinstance(_usp, str):
            _usp = [_usp]
        for _p in _usp:
            if _p and _p not in sys.path:
                sys.path.append(_p)
    except Exception:
        pass
except Exception:
    pass

def _disabled_input(*args, **kwargs):
    raise RuntimeError("input() is disabled in callable mode")
builtins.input = _disabled_input

ns = {"__name__": "__judge__"}  # prevent if __name__ == "__main__" blocks
for _k, _v in list(globals().items()):
    if not _k.startswith("_"):
        ns[_k] = _v
_CODE = "def strong_num(number):\n    n= 0\n    for i in str(number):\n        m = 1\n        for x in range(1, int(i)+1):\n            m*=x\n        n+=m\n    if number == n: return 'STRONG!!!!'\n    else : return 'Not Strong !!'"
_co = compile(_CODE, USER_FILENAME, "exec")
exec(_co, ns, ns)

_target = None
_fn_name = 'strong_num'
if _fn_name:
    if "Solution" in ns:
        try:
            _obj = ns["Solution"]()
            if hasattr(_obj, _fn_name):
                _target = getattr(_obj, _fn_name)
        except Exception:
            _target = None
    if _target is None and _fn_name in ns and callable(ns[_fn_name]):
        _target = ns[_fn_name]
# Fallback: if there's exactly one user-defined function, use it
if _target is None:
    _cands = [v for k, v in ns.items() if callable(v) and getattr(v, "__module__", "") in ("__judge__", "__main__")]
    _user_funcs = [c for c in _cands if getattr(c, "__name__", "").startswith("_") is False]
    if len(_user_funcs) == 1:
        _target = _user_funcs[0]
if _target is None:
    raise RuntimeError(f"Could not resolve callable '{_fn_name}'")

_raw = sys.stdin.read().strip()
if _raw:
    _parsed = json.loads(_raw)
    if isinstance(_parsed, dict):
        _kwargs = _parsed.get("kwargs", {})
        _args = _parsed.get("args", [])
    else:
        _args, _kwargs = _parsed, {}
else:
    _args, _kwargs = [], {}
if not isinstance(_args, (list, tuple)):
    _args = [_args]
_res = _target(*_args, **_kwargs)
try:
    sys.stdout.write(repr(_res) + "\n")
except Exception:
    pass

```

Measured memory_bytes: 5416