45181128 has 32 divisors (see below), whose sum is σ = 113117760. Its totient is φ = 15038400.

The previous prime is 45181111. The next prime is 45181151. The reversal of 45181128 is 82118154.

It is a happy number.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 45181095 and 45181104.

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 7 ways as a sum of consecutive naturals, for example, 30501 + ... + 31947.

It is an arithmetic number, because the mean of its divisors is an integer number (3534930).

Almost surely, 2^45181128 is an apocalyptic number.

It is an amenable number.

45181128 is an abundant number, since it is smaller than the sum of its proper divisors (67936632).

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

45181128 is a wasteful number, since it uses less digits than its factorization.

45181128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757 (or 2753 counting only the distinct ones).

The product of its digits is 2560, while the sum is 30.

The square root of 45181128 is about 6721.6908587051. The cubic root of 45181128 is about 356.1659160128.

The spelling of 45181128 in words is "forty-five million, one hundred eighty-one thousand, one hundred twenty-eight".