Q: Is 145,439 a Prime Number?
A: No, 145,439 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 145439 can be evenly divided by 1 7 79 263 553 1,841 20,777 and 145,439, with no remainder.
Since 145,439 cannot be divided by just 1 and 145,439, it is not a prime number.