45639056 has 20 divisors (see below), whose sum is σ = 90816732. Its totient is φ = 22202496.

The previous prime is 45639053. The next prime is 45639071. The reversal of 45639056 is 65093654.

It can be written as a sum of positive squares in 2 ways, for example, as 26419600 + 19219456 = 5140^2 + 4384^2 .

It is a super-2 number, since 2×45639056² = 4165846865142272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45639053) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 37955 + ... + 39138.

Almost surely, 2^45639056 is an apocalyptic number.

It is an amenable number.

45639056 is a deficient number, since it is larger than the sum of its proper divisors (45177676).

45639056 is a wasteful number, since it uses less digits than its factorization.

45639056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77138 (or 77132 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 45639056 is about 6755.6684347295. The cubic root of 45639056 is about 357.3651660337.

The spelling of 45639056 in words is "forty-five million, six hundred thirty-nine thousand, fifty-six".