45528973652 has 12 divisors (see below), whose sum is σ = 81619014036. Its totient is φ = 22209255360.

The previous prime is 45528973643. The next prime is 45528973669. The reversal of 45528973652 is 25637982554.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1334002576 + 44194971076 = 36524^2 + 210226^2 .

It is a congruent number.

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, 138807683 + ... + 138808010.

It is an arithmetic number, because the mean of its divisors is an integer number (6801584503).

Almost surely, 2^45528973652 is an apocalyptic number.

It is an amenable number.

45528973652 is a deficient number, since it is larger than the sum of its proper divisors (36090040384).

45528973652 is a wasteful number, since it uses less digits than its factorization.

45528973652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277615738 (or 277615736 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 56.

The spelling of 45528973652 in words is "forty-five billion, five hundred twenty-eight million, nine hundred seventy-three thousand, six hundred fifty-two".