45256564658 has 6 divisors (see below), whose sum is σ = 67885298271. Its totient is φ = 22628131902.

The previous prime is 45256564651. The next prime is 45256564663. The reversal of 45256564658 is 85646565254.

It can be written as a sum of positive squares in only one way, i.e., 22628282329 + 22628282329 = 150427^2 + 150427^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=150427.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45256564651) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 225641 + ... + 376067.

Almost surely, 2^45256564658 is an apocalyptic number.

45256564658 is a deficient number, since it is larger than the sum of its proper divisors (22628733613).

45256564658 is an frugal number, since it uses more digits than its factorization.

45256564658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300856 (or 150429 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 56.

The spelling of 45256564658 in words is "forty-five billion, two hundred fifty-six million, five hundred sixty-four thousand, six hundred fifty-eight".