45115187 has 8 divisors (see below), whose sum is σ = 49311696. Its totient is φ = 41022432.

The previous prime is 45115181. The next prime is 45115207. The reversal of 45115187 is 78151154.

45115187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45115187 - 2⁸ = 45114931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45115181) 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, 25028 + ... + 26769.

It is an arithmetic number, because the mean of its divisors is an integer number (6163962).

Almost surely, 2^45115187 is an apocalyptic number.

45115187 is a deficient number, since it is larger than the sum of its proper divisors (4196509).

45115187 is a wasteful number, since it uses less digits than its factorization.

45115187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51877.

The product of its digits is 5600, while the sum is 32.

The square root of 45115187 is about 6716.7839774702. The cubic root of 45115187 is about 355.9925591804.

The spelling of 45115187 in words is "forty-five million, one hundred fifteen thousand, one hundred eighty-seven".