45044964 has 48 divisors (see below), whose sum is σ = 117848640. Its totient is φ = 14878080.

The previous prime is 45044963. The next prime is 45044969. The reversal of 45044964 is 46944054.

It is a super-2 number, since 2×45044964² = 4058097563522592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45044963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10359 + ... + 14049.

It is an arithmetic number, because the mean of its divisors is an integer number (2455180).

Almost surely, 2^45044964 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45044964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58924320).

45044964 is an abundant number, since it is smaller than the sum of its proper divisors (72803676).

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

45044964 is a wasteful number, since it uses less digits than its factorization.

45044964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3817 (or 3809 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 45044964 is about 6711.5545144177. The cubic root of 45044964 is about 355.8077592727.

The spelling of 45044964 in words is "forty-five million, forty-four thousand, nine hundred sixty-four".