45655312 has 40 divisors (see below), whose sum is σ = 92494080. Its totient is φ = 21805440.

The previous prime is 45655307. The next prime is 45655327. The reversal of 45655312 is 21355654.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40614 + ... + 41722.

It is an arithmetic number, because the mean of its divisors is an integer number (2312352).

Almost surely, 2^45655312 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 45655312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46247040).

45655312 is an abundant number, since it is smaller than the sum of its proper divisors (46838768).

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

45655312 is a wasteful number, since it uses less digits than its factorization.

45655312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1225 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 45655312 is about 6756.8714654047. The cubic root of 45655312 is about 357.4075905056.

The spelling of 45655312 in words is "forty-five million, six hundred fifty-five thousand, three hundred twelve".