45193902 has 16 divisors (see below), whose sum is σ = 97340880. Its totient is φ = 13905792.

The previous prime is 45193891. The next prime is 45193921. The reversal of 45193902 is 20939154.

It is a congruent number.

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, 289627 + ... + 289782.

It is an arithmetic number, because the mean of its divisors is an integer number (6083805).

Almost surely, 2^45193902 is an apocalyptic number.

45193902 is an abundant number, since it is smaller than the sum of its proper divisors (52146978).

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

45193902 is a wasteful number, since it uses less digits than its factorization.

45193902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579427.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 45193902 is about 6722.6409988932. The cubic root of 45193902 is about 356.1994789546.

The spelling of 45193902 in words is "forty-five million, one hundred ninety-three thousand, nine hundred two".