45656832 has 144 divisors (see below), whose sum is σ = 139073760. Its totient is φ = 13172736.

The previous prime is 45656827. The next prime is 45656851. The reversal of 45656832 is 23865654.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 169594 + ... + 169862.

It is an arithmetic number, because the mean of its divisors is an integer number (965790).

Almost surely, 2^45656832 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 45656832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69536880).

45656832 is an abundant number, since it is smaller than the sum of its proper divisors (93416928).

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

45656832 is a wasteful number, since it uses less digits than its factorization.

45656832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 304 counting only the distinct ones).

The product of its digits is 172800, while the sum is 39.

The square root of 45656832 is about 6756.9839425590. The cubic root of 45656832 is about 357.4115568459.

The spelling of 45656832 in words is "forty-five million, six hundred fifty-six thousand, eight hundred thirty-two".