45515539 has 2 divisors, whose sum is σ = 45515540. Its totient is φ = 45515538.

The previous prime is 45515531. The next prime is 45515563. The reversal of 45515539 is 93551554.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45515539 - 2³ = 45515531 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 45515498 and 45515507.

It is not a weakly prime, because it can be changed into another prime (45515531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22757769 + 22757770.

It is an arithmetic number, because the mean of its divisors is an integer number (22757770).

Almost surely, 2^45515539 is an apocalyptic number.

45515539 is a deficient number, since it is larger than the sum of its proper divisors (1).

45515539 is an equidigital number, since it uses as much as digits as its factorization.

45515539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 67500, while the sum is 37.

The square root of 45515539 is about 6746.5205106040. The cubic root of 45515539 is about 357.0424851425.

The spelling of 45515539 in words is "forty-five million, five hundred fifteen thousand, five hundred thirty-nine".