45979272 has 32 divisors (see below), whose sum is σ = 127720800. Its totient is φ = 15326352.

The previous prime is 45979267. The next prime is 45979273. The reversal of 45979272 is 27297954.

45979272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×45979272² = 4228186907299968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45979273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106218 + ... + 106649.

It is an arithmetic number, because the mean of its divisors is an integer number (3991275).

Almost surely, 2^45979272 is an apocalyptic number.

It is an amenable number.

45979272 is an abundant number, since it is smaller than the sum of its proper divisors (81741528).

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

45979272 is a wasteful number, since it uses less digits than its factorization.

45979272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212882 (or 212872 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 45979272 is about 6780.8017225104. The cubic root of 45979272 is about 358.2509605983.

The spelling of 45979272 in words is "forty-five million, nine hundred seventy-nine thousand, two hundred seventy-two".