45087132 has 12 divisors (see below), whose sum is σ = 105203336. Its totient is φ = 15029040.

The previous prime is 45087109. The next prime is 45087139. The reversal of 45087132 is 23178054.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 45087132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45087139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878619 + ... + 1878642.

Almost surely, 2^45087132 is an apocalyptic number.

It is an amenable number.

45087132 is an abundant number, since it is smaller than the sum of its proper divisors (60116204).

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

45087132 is a wasteful number, since it uses less digits than its factorization.

45087132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3757268 (or 3757266 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 45087132 is about 6714.6952276332. The cubic root of 45087132 is about 355.9187522368.

The spelling of 45087132 in words is "forty-five million, eighty-seven thousand, one hundred thirty-two".