45909808 has 20 divisors (see below), whose sum is σ = 101657680. Its totient is φ = 19675584.

The previous prime is 45909797. The next prime is 45909811. The reversal of 45909808 is 80890954.

It is a happy number.

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, 204843 + ... + 205066.

It is an arithmetic number, because the mean of its divisors is an integer number (5082884).

Almost surely, 2^45909808 is an apocalyptic number.

It is an amenable number.

45909808 is an abundant number, since it is smaller than the sum of its proper divisors (55747872).

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

45909808 is a wasteful number, since it uses less digits than its factorization.

45909808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409924 (or 409918 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 45909808 is about 6775.6776782843. The cubic root of 45909808 is about 358.0704583396.

The spelling of 45909808 in words is "forty-five million, nine hundred nine thousand, eight hundred eight".