142 (number)

142 (one hundred forty-two) is a whole number. It comes after 141 and before 143.

 In mathematics 

 Even number: 142 is an even number because it ends with a 2.
 Composite number: 142 can be factored into 2×71. Both 2 and 71 are prime numbers, so 142 is also called a semiprime.
 Not a palindrome: 142 reads as “one-four-two” forwards and “two-four-one” backwards, so it is not a palindromic number.
 Not a Harshad number: The sum of its digits is 1+4+2=7. Since 142÷7≈20.2857 (not an integer), 142 is not a Harshad number.
 Representations in different bases:
 In binary (base 2), 142 is written as 10001110.
 In octal (base 8), 142 is written as 216.
 In hexadecimal (base 16), 142 is written as 8E.

 Other facts 

 142 is not a perfect square or a perfect cube.
 Some roads, bus routes, or highways in different places may use the number 142.

Category:Integers