45591172 has 12 divisors (see below), whose sum is σ = 87037776. Its totient is φ = 20723240.

The previous prime is 45591157. The next prime is 45591179. The reversal of 45591172 is 27119554.

45591172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45591179) 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, 518038 + ... + 518125.

It is an arithmetic number, because the mean of its divisors is an integer number (7253148).

Almost surely, 2^45591172 is an apocalyptic number.

It is an amenable number.

45591172 is a deficient number, since it is larger than the sum of its proper divisors (41446604).

45591172 is a wasteful number, since it uses less digits than its factorization.

45591172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036178 (or 1036176 counting only the distinct ones).

The product of its digits is 12600, while the sum is 34.

The square root of 45591172 is about 6752.1235178276. The cubic root of 45591172 is about 357.2401410865.

The spelling of 45591172 in words is "forty-five million, five hundred ninety-one thousand, one hundred seventy-two".