45693568 has 16 divisors (see below), whose sum is σ = 91030410. Its totient is φ = 22846720.

The previous prime is 45693551. The next prime is 45693577. The reversal of 45693568 is 86539654.

It can be written as a sum of positive squares in only one way, i.e., 41062464 + 4631104 = 6408^2 + 2152^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178363 + ... + 178618.

Almost surely, 2^45693568 is an apocalyptic number.

It is an amenable number.

45693568 is a deficient number, since it is larger than the sum of its proper divisors (45336842).

45693568 is an equidigital number, since it uses as much as digits as its factorization.

45693568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356995 (or 356983 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 45693568 is about 6759.7017685694. The cubic root of 45693568 is about 357.5073902657.

The spelling of 45693568 in words is "forty-five million, six hundred ninety-three thousand, five hundred sixty-eight".