45645006472 has 16 divisors (see below), whose sum is σ = 92167801740. Its totient is φ = 21066926016.

The previous prime is 45645006439. The next prime is 45645006487. The reversal of 45645006472 is 27460054654.

It can be written as a sum of positive squares in 2 ways, for example, as 45601894116 + 43112356 = 213546^2 + 6566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219447043 + ... + 219447250.

Almost surely, 2^45645006472 is an apocalyptic number.

It is an amenable number.

45645006472 is an abundant number, since it is smaller than the sum of its proper divisors (46522795268).

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

45645006472 is a wasteful number, since it uses less digits than its factorization.

45645006472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438894312 (or 438894308 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 45645006472 in words is "forty-five billion, six hundred forty-five million, six thousand, four hundred seventy-two".