45173544 has 64 divisors (see below), whose sum is σ = 123493440. Its totient is φ = 13685760.

The previous prime is 45173509. The next prime is 45173567. The reversal of 45173544 is 44537154.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19824 + ... + 21984.

It is an arithmetic number, because the mean of its divisors is an integer number (1929585).

Almost surely, 2^45173544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45173544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61746720).

45173544 is an abundant number, since it is smaller than the sum of its proper divisors (78319896).

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

45173544 is a wasteful number, since it uses less digits than its factorization.

45173544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2250 (or 2246 counting only the distinct ones).

The product of its digits is 33600, while the sum is 33.

The square root of 45173544 is about 6721.1266912624. The cubic root of 45173544 is about 356.1459865011.

The spelling of 45173544 in words is "forty-five million, one hundred seventy-three thousand, five hundred forty-four".