45132971 has 8 divisors (see below), whose sum is σ = 48894720. Its totient is φ = 41659176.

The previous prime is 45132959. The next prime is 45133003. The reversal of 45132971 is 17923154.

45132971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-45132971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45132911) 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, 8075 + ... + 12468.

It is an arithmetic number, because the mean of its divisors is an integer number (6111840).

Almost surely, 2^45132971 is an apocalyptic number.

45132971 is a deficient number, since it is larger than the sum of its proper divisors (3761749).

45132971 is an equidigital number, since it uses as much as digits as its factorization.

45132971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20582 (or 20556 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 45132971 is about 6718.1076948796. The cubic root of 45132971 is about 356.0393293880.

The spelling of 45132971 in words is "forty-five million, one hundred thirty-two thousand, nine hundred seventy-one".