45104140 has 24 divisors (see below), whose sum is σ = 95135040. Its totient is φ = 17962368.

The previous prime is 45104123. The next prime is 45104159. The reversal of 45104140 is 4140154.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180 + ... + 9499.

It is an arithmetic number, because the mean of its divisors is an integer number (3963960).

Almost surely, 2^45104140 is an apocalyptic number.

It is an amenable number.

45104140 is an abundant number, since it is smaller than the sum of its proper divisors (50030900).

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

45104140 is a wasteful number, since it uses less digits than its factorization.

45104140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9921 (or 9919 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 45104140 is about 6715.9615841665. The cubic root of 45104140 is about 355.9635004451.

Adding to 45104140 its reverse (4140154), we get a palindrome (49244294).

The spelling of 45104140 in words is "forty-five million, one hundred four thousand, one hundred forty".