Q: Is 143,145 a Composite Number?
A: Yes, 143,145 is a composite number.
The number 143,145 can be evenly divided by 1 3 5 9 15 45 3,181 9,543 15,905 28,629 47,715 and 143,145, with no remainder.
Since 143,145 cannot be divided by just 1 and 143,145, it is a composite number.