45718812 has 36 divisors (see below), whose sum is σ = 115891776. Its totient is φ = 15196800.

The previous prime is 45718789. The next prime is 45718823. The reversal of 45718812 is 21881754.

45718812 is a `hidden beast` number, since 4 + 571 + 8 + 81 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12853 + ... + 16019.

It is an arithmetic number, because the mean of its divisors is an integer number (3219216).

Almost surely, 2^45718812 is an apocalyptic number.

It is an amenable number.

45718812 is an abundant number, since it is smaller than the sum of its proper divisors (70172964).

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

45718812 is a wasteful number, since it uses less digits than its factorization.

45718812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3573 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 45718812 is about 6761.5687528857. The cubic root of 45718812 is about 357.5732146657.

The spelling of 45718812 in words is "forty-five million, seven hundred eighteen thousand, eight hundred twelve".