45685618 has 8 divisors (see below), whose sum is σ = 74758320. Its totient is φ = 20766180.

The previous prime is 45685597. The next prime is 45685669. The reversal of 45685618 is 81658654.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1038288 + ... + 1038331.

It is an arithmetic number, because the mean of its divisors is an integer number (9344790).

Almost surely, 2^45685618 is an apocalyptic number.

45685618 is a deficient number, since it is larger than the sum of its proper divisors (29072702).

45685618 is a wasteful number, since it uses less digits than its factorization.

45685618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076632.

The product of its digits is 230400, while the sum is 43.

The square root of 45685618 is about 6759.1136992952. The cubic root of 45685618 is about 357.4866554101.

The spelling of 45685618 in words is "forty-five million, six hundred eighty-five thousand, six hundred eighteen".