45557574128 has 80 divisors (see below), whose sum is σ = 99772408800. Its totient is φ = 19961840640.

The previous prime is 45557574109. The next prime is 45557574143. The reversal of 45557574128 is 82147575554.

It is a self number, because there is not a number n which added to its sum of digits gives 45557574128.

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 15 ways as a sum of consecutive naturals, for example, 3326078 + ... + 3339746.

It is an arithmetic number, because the mean of its divisors is an integer number (1247155110).

Almost surely, 2^45557574128 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 45557574128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49886204400).

45557574128 is an abundant number, since it is smaller than the sum of its proper divisors (54214834672).

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

45557574128 is a wasteful number, since it uses less digits than its factorization.

45557574128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14370 (or 14364 counting only the distinct ones).

The product of its digits is 7840000, while the sum is 53.

The spelling of 45557574128 in words is "forty-five billion, five hundred fifty-seven million, five hundred seventy-four thousand, one hundred twenty-eight".