45972488 has 16 divisors (see below), whose sum is σ = 91269180. Its totient is φ = 21634048.

The previous prime is 45972481. The next prime is 45972497. The reversal of 45972488 is 88427954.

It is a happy number.

45972488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44328964 + 1643524 = 6658^2 + 1282^2 .

It is a super-2 number, since 2×45972488² = 4226939305820288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45972481) 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 3 ways as a sum of consecutive naturals, for example, 168881 + ... + 169152.

Almost surely, 2^45972488 is an apocalyptic number.

It is an amenable number.

45972488 is a deficient number, since it is larger than the sum of its proper divisors (45296692).

45972488 is a wasteful number, since it uses less digits than its factorization.

45972488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338056 (or 338052 counting only the distinct ones).

The product of its digits is 645120, while the sum is 47.

The square root of 45972488 is about 6780.3014682240. The cubic root of 45972488 is about 358.2333403827.

The spelling of 45972488 in words is "forty-five million, nine hundred seventy-two thousand, four hundred eighty-eight".