45944628 has 12 divisors (see below), whose sum is σ = 107204160. Its totient is φ = 15314872.

The previous prime is 45944621. The next prime is 45944653. The reversal of 45944628 is 82644954.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×45944628² = 4221817684116768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 45944628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45944621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1914348 + ... + 1914371.

It is an arithmetic number, because the mean of its divisors is an integer number (8933680).

Almost surely, 2^45944628 is an apocalyptic number.

It is an amenable number.

45944628 is an abundant number, since it is smaller than the sum of its proper divisors (61259532).

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

45944628 is a wasteful number, since it uses less digits than its factorization.

45944628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828726 (or 3828724 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 45944628 is about 6778.2466759480. The cubic root of 45944628 is about 358.1609608788.

The spelling of 45944628 in words is "forty-five million, nine hundred forty-four thousand, six hundred twenty-eight".