45445325472 has 36 divisors (see below), whose sum is σ = 129235145130. Its totient is φ = 15148441728.

The previous prime is 45445325447. The next prime is 45445325479. The reversal of 45445325472 is 27452354454.

45445325472 is a `hidden beast` number, since 4 + 5 + 44 + 532 + 5 + 4 + 72 = 666.

It can be written as a sum of positive squares in only one way, i.e., 34031394576 + 11413930896 = 184476^2 + 106836^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (45445325479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78897847 + ... + 78898422.

Almost surely, 2^45445325472 is an apocalyptic number.

It is an amenable number.

45445325472 is an abundant number, since it is smaller than the sum of its proper divisors (83789819658).

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

45445325472 is a wasteful number, since it uses less digits than its factorization.

45445325472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157796285 (or 157796274 counting only the distinct ones).

The product of its digits is 2688000, while the sum is 45.

The spelling of 45445325472 in words is "forty-five billion, four hundred forty-five million, three hundred twenty-five thousand, four hundred seventy-two".