45115128 has 24 divisors (see below), whose sum is σ = 122187000. Its totient is φ = 15038352.

The previous prime is 45115111. The next prime is 45115141. The reversal of 45115128 is 82151154.

45115128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 313228 + ... + 313371.

It is an arithmetic number, because the mean of its divisors is an integer number (5091125).

Almost surely, 2^45115128 is an apocalyptic number.

It is an amenable number.

45115128 is an abundant number, since it is smaller than the sum of its proper divisors (77071872).

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

45115128 is a wasteful number, since it uses less digits than its factorization.

45115128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626611 (or 626604 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 45115128 is about 6716.7795854859. The cubic root of 45115128 is about 355.9924039956.

The spelling of 45115128 in words is "forty-five million, one hundred fifteen thousand, one hundred twenty-eight".