45320525544 has 64 divisors (see below), whose sum is σ = 129592995840. Its totient is φ = 12938143680.

The previous prime is 45320525543. The next prime is 45320525557. The reversal of 45320525544 is 44552502354.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (45320525543) 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, 97237 + ... + 316379.

It is an arithmetic number, because the mean of its divisors is an integer number (2024890560).

Almost surely, 2^45320525544 is an apocalyptic number.

It is an amenable number.

45320525544 is an abundant number, since it is smaller than the sum of its proper divisors (84272470296).

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

45320525544 is a wasteful number, since it uses less digits than its factorization.

45320525544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220390 (or 220386 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

The spelling of 45320525544 in words is "forty-five billion, three hundred twenty million, five hundred twenty-five thousand, five hundred forty-four".