45140128 has 24 divisors (see below), whose sum is σ = 96949440. Its totient is φ = 20518080.

The previous prime is 45140119. The next prime is 45140149. The reversal of 45140128 is 82104154.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63768 + ... + 64471.

It is an arithmetic number, because the mean of its divisors is an integer number (4039560).

Almost surely, 2^45140128 is an apocalyptic number.

It is an amenable number.

45140128 is an abundant number, since it is smaller than the sum of its proper divisors (51809312).

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

45140128 is a wasteful number, since it uses less digits than its factorization.

45140128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128260 (or 128252 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 45140128 is about 6718.6403386400. The cubic root of 45140128 is about 356.0581481417.

The spelling of 45140128 in words is "forty-five million, one hundred forty thousand, one hundred twenty-eight".