45162821232 has 120 divisors (see below), whose sum is σ = 128276350800. Its totient is φ = 14830470144.

The previous prime is 45162821213. The next prime is 45162821243. The reversal of 45162821232 is 23212826154.

45162821232 is a `hidden beast` number, since 4 + 5 + 1 + 628 + 2 + 1 + 23 + 2 = 666.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11235319 + ... + 11239337.

It is an arithmetic number, because the mean of its divisors is an integer number (1068969590).

Almost surely, 2^45162821232 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 45162821232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64138175400).

45162821232 is an abundant number, since it is smaller than the sum of its proper divisors (83113529568).

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

45162821232 is a wasteful number, since it uses less digits than its factorization.

45162821232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175 (or 5166 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The spelling of 45162821232 in words is "forty-five billion, one hundred sixty-two million, eight hundred twenty-one thousand, two hundred thirty-two".