45688539 has 16 divisors (see below), whose sum is σ = 65889824. Its totient is φ = 27993600.

The previous prime is 45688507. The next prime is 45688553. The reversal of 45688539 is 93588654.

It is a happy number.

It is not a de Polignac number, because 45688539 - 2⁵ = 45688507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45688579) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6969 + ... + 11829.

It is an arithmetic number, because the mean of its divisors is an integer number (4118114).

Almost surely, 2^45688539 is an apocalyptic number.

45688539 is a deficient number, since it is larger than the sum of its proper divisors (20201285).

45688539 is a wasteful number, since it uses less digits than its factorization.

45688539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5118.

The product of its digits is 1036800, while the sum is 48.

The square root of 45688539 is about 6759.3297744673. The cubic root of 45688539 is about 357.4942741189.

The spelling of 45688539 in words is "forty-five million, six hundred eighty-eight thousand, five hundred thirty-nine".