145416539 has 2 divisors, whose sum is σ = 145416540. Its totient is φ = 145416538.

The previous prime is 145416517. The next prime is 145416559. The reversal of 145416539 is 935614541.

145416539 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145416539 is a prime.

It is a super-2 number, since 2×145416539² = 42291939629477042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (145416559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72708269 + 72708270.

It is an arithmetic number, because the mean of its divisors is an integer number (72708270).

Almost surely, 2^145416539 is an apocalyptic number.

145416539 is a deficient number, since it is larger than the sum of its proper divisors (1).

145416539 is an equidigital number, since it uses as much as digits as its factorization.

145416539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 145416539 is about 12058.8780158023. The cubic root of 145416539 is about 525.8613693465.

The spelling of 145416539 in words is "one hundred forty-five million, four hundred sixteen thousand, five hundred thirty-nine".