45445550564 has 12 divisors (see below), whose sum is σ = 79650035388. Its totient is φ = 22688397600.

The previous prime is 45445550519. The next prime is 45445550581. The reversal of 45445550564 is 46505554454.

It can be written as a sum of positive squares in 2 ways, for example, as 16067590564 + 29377960000 = 126758^2 + 171400^2 .

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, 8591447 + ... + 8596734.

It is an arithmetic number, because the mean of its divisors is an integer number (6637502949).

Almost surely, 2^45445550564 is an apocalyptic number.

It is an amenable number.

45445550564 is a deficient number, since it is larger than the sum of its proper divisors (34204484824).

45445550564 is a wasteful number, since it uses less digits than its factorization.

45445550564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17188846 (or 17188844 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 47.

The spelling of 45445550564 in words is "forty-five billion, four hundred forty-five million, five hundred fifty thousand, five hundred sixty-four".