45840539 has 2 divisors, whose sum is σ = 45840540. Its totient is φ = 45840538.

The previous prime is 45840527. The next prime is 45840589. The reversal of 45840539 is 93504854.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45840539 - 2²⁰ = 44791963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45840589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22920269 + 22920270.

It is an arithmetic number, because the mean of its divisors is an integer number (22920270).

Almost surely, 2^45840539 is an apocalyptic number.

45840539 is a deficient number, since it is larger than the sum of its proper divisors (1).

45840539 is an equidigital number, since it uses as much as digits as its factorization.

45840539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 45840539 is about 6770.5641567007. The cubic root of 45840539 is about 357.8902813903.

The spelling of 45840539 in words is "forty-five million, eight hundred forty thousand, five hundred thirty-nine".