45905916 has 144 divisors (see below), whose sum is σ = 136435712. Its totient is φ = 11750400.

The previous prime is 45905903. The next prime is 45905939. The reversal of 45905916 is 61950954.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 752526 + ... + 752586.

Almost surely, 2^45905916 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45905916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68217856).

45905916 is an abundant number, since it is smaller than the sum of its proper divisors (90529796).

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

45905916 is a wasteful number, since it uses less digits than its factorization.

45905916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 121 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 45905916 is about 6775.3904684527. The cubic root of 45905916 is about 358.0603395896.

The spelling of 45905916 in words is "forty-five million, nine hundred five thousand, nine hundred sixteen".