45972612 has 36 divisors (see below), whose sum is σ = 132810496. Its totient is φ = 13134960.

The previous prime is 45972599. The next prime is 45972613. The reversal of 45972612 is 21627954.

45972612 is a `hidden beast` number, since 4 + 597 + 2 + 61 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×45972612² = 4226962108205088, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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 (45972613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90964 + ... + 91467.

Almost surely, 2^45972612 is an apocalyptic number.

45972612 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

45972612 is an abundant number, since it is smaller than the sum of its proper divisors (86837884).

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

45972612 is a wasteful number, since it uses less digits than its factorization.

45972612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182448 (or 182443 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 45972612 is about 6780.3106123540. The cubic root of 45972612 is about 358.2336624659.

The spelling of 45972612 in words is "forty-five million, nine hundred seventy-two thousand, six hundred twelve".