145490339 has 2 divisors, whose sum is σ = 145490340. Its totient is φ = 145490338.

The previous prime is 145490321. The next prime is 145490351. The reversal of 145490339 is 933094541.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145490339 is a prime.

It is not a weakly prime, because it can be changed into another prime (145490309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72745169 + 72745170.

It is an arithmetic number, because the mean of its divisors is an integer number (72745170).

Almost surely, 2^145490339 is an apocalyptic number.

145490339 is a deficient number, since it is larger than the sum of its proper divisors (1).

145490339 is an equidigital number, since it uses as much as digits as its factorization.

145490339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 145490339 is about 12061.9376138330. The cubic root of 145490339 is about 525.9503138502.

The spelling of 145490339 in words is "one hundred forty-five million, four hundred ninety thousand, three hundred thirty-nine".