45446856 has 64 divisors (see below), whose sum is σ = 139843200. Its totient is φ = 11985408.

The previous prime is 45446839. The next prime is 45446861. The reversal of 45446856 is 65864454.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8221 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (2185050).

Almost surely, 2^45446856 is an apocalyptic number.

It is an amenable number.

45446856 is an abundant number, since it is smaller than the sum of its proper divisors (94396344).

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

45446856 is a wasteful number, since it uses less digits than its factorization.

45446856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20838 (or 20834 counting only the distinct ones).

The product of its digits is 460800, while the sum is 42.

The square root of 45446856 is about 6741.4283353011. The cubic root of 45446856 is about 356.8628022265.

The spelling of 45446856 in words is "forty-five million, four hundred forty-six thousand, eight hundred fifty-six".