45055044 has 18 divisors (see below), whose sum is σ = 113889230. Its totient is φ = 15018336.

The previous prime is 45055039. The next prime is 45055051. The reversal of 45055044 is 44055054.

It can be written as a sum of positive squares in only one way, i.e., 26132544 + 18922500 = 5112^2 + 4350^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 45054999 and 45055017.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625729 + ... + 625800.

Almost surely, 2^45055044 is an apocalyptic number.

It is an amenable number.

45055044 is an abundant number, since it is smaller than the sum of its proper divisors (68834186).

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

45055044 is a wasteful number, since it uses less digits than its factorization.

45055044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251539 (or 1251534 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45055044 is about 6712.3054161741. The cubic root of 45055044 is about 355.8342977534.

The spelling of 45055044 in words is "forty-five million, fifty-five thousand, forty-four".