45545225388 has 48 divisors (see below), whose sum is σ = 115270391040. Its totient is φ = 13913089344.

The previous prime is 45545225387. The next prime is 45545225431. The reversal of 45545225388 is 88352254554.

It is a self number, because there is not a number n which added to its sum of digits gives 45545225388.

It is not an unprimeable number, because it can be changed into a prime (45545225387) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1028520 + ... + 1071887.

It is an arithmetic number, because the mean of its divisors is an integer number (2401466480).

Almost surely, 2^45545225388 is an apocalyptic number.

It is an amenable number.

45545225388 is an abundant number, since it is smaller than the sum of its proper divisors (69725165652).

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

45545225388 is a wasteful number, since it uses less digits than its factorization.

45545225388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2100566 (or 2100564 counting only the distinct ones).

The product of its digits is 7680000, while the sum is 51.

The spelling of 45545225388 in words is "forty-five billion, five hundred forty-five million, two hundred twenty-five thousand, three hundred eighty-eight".