45187504 has 20 divisors (see below), whose sum is σ = 87684120. Its totient is φ = 22559360.

The previous prime is 45187477. The next prime is 45187507. The reversal of 45187504 is 40578154.

It is a self number, because there is not a number n which added to its sum of digits gives 45187504.

It is not an unprimeable number, because it can be changed into a prime (45187507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11199 + ... + 14689.

It is an arithmetic number, because the mean of its divisors is an integer number (4384206).

Almost surely, 2^45187504 is an apocalyptic number.

It is an amenable number.

45187504 is a deficient number, since it is larger than the sum of its proper divisors (42496616).

45187504 is a wasteful number, since it uses less digits than its factorization.

45187504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4308 (or 4302 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 45187504 is about 6722.1651273976. The cubic root of 45187504 is about 356.1826693725.

The spelling of 45187504 in words is "forty-five million, one hundred eighty-seven thousand, five hundred four".