45559944 has 24 divisors (see below), whose sum is σ = 123391710. Its totient is φ = 15186624.

The previous prime is 45559939. The next prime is 45559951. The reversal of 45559944 is 44995554.

45559944 is a `hidden beast` number, since 4 + 5 + 559 + 94 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41757444 + 3802500 = 6462^2 + 1950^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 45559944.

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 in 5 ways as a sum of consecutive naturals, for example, 316317 + ... + 316460.

Almost surely, 2^45559944 is an apocalyptic number.

It is an amenable number.

45559944 is an abundant number, since it is smaller than the sum of its proper divisors (77831766).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45559944 is a wasteful number, since it uses less digits than its factorization.

45559944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632789 (or 632782 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 45559944 is about 6749.8106640113. The cubic root of 45559944 is about 357.1585577250.

Subtracting from 45559944 its product of digits (648000), we obtain a palindrome (44911944).

The spelling of 45559944 in words is "forty-five million, five hundred fifty-nine thousand, nine hundred forty-four".