Question: is 45 divisible by 6?
Answer: In other words, is 45 divisible by 6? For 45 to be divisible by 6, both of the following two criteria must be met: First, 45 has to be an even number and second, the sum of its digits must be divisible by 3. ... The sum of the digits in 45 is 9, which is divisible by 3.