45281912 has 16 divisors (see below), whose sum is σ = 91434840. Its totient is φ = 20899296.

The previous prime is 45281903. The next prime is 45281923. The reversal of 45281912 is 21918254.

It is a congruent 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, 217598 + ... + 217805.

Almost surely, 2^45281912 is an apocalyptic number.

It is an amenable number.

45281912 is an abundant number, since it is smaller than the sum of its proper divisors (46152928).

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

45281912 is a wasteful number, since it uses less digits than its factorization.

45281912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435422 (or 435418 counting only the distinct ones).

The product of its digits is 5760, while the sum is 32.

The square root of 45281912 is about 6729.1836057578. The cubic root of 45281912 is about 356.4305483919.

The spelling of 45281912 in words is "forty-five million, two hundred eighty-one thousand, nine hundred twelve".