45944972 has 12 divisors (see below), whose sum is σ = 82577040. Its totient is φ = 22351536.

The previous prime is 45944953. The next prime is 45944989. The reversal of 45944972 is 27944954.

It is a super-2 number, since 2×45944972² = 4221880904161568, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 155072 + ... + 155367.

It is an arithmetic number, because the mean of its divisors is an integer number (6881420).

Almost surely, 2^45944972 is an apocalyptic number.

It is an amenable number.

45944972 is a deficient number, since it is larger than the sum of its proper divisors (36632068).

45944972 is a wasteful number, since it uses less digits than its factorization.

45944972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310480 (or 310478 counting only the distinct ones).

The product of its digits is 362880, while the sum is 44.

The square root of 45944972 is about 6778.2720511942. The cubic root of 45944972 is about 358.1618547596.

The spelling of 45944972 in words is "forty-five million, nine hundred forty-four thousand, nine hundred seventy-two".