Q: Is 161,145 a Composite Number?
A: Yes, 161,145 is a composite number.
The number 161,145 can be evenly divided by 1 3 5 9 15 45 3,581 10,743 17,905 32,229 53,715 and 161,145, with no remainder.
Since 161,145 cannot be divided by just 1 and 161,145, it is a composite number.