45808457672 has 16 divisors (see below), whose sum is σ = 85897543500. Its totient is φ = 22902446080.

The previous prime is 45808457647. The next prime is 45808457699. The reversal of 45808457672 is 27675480854.

45808457672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 44692496836 + 1115960836 = 211406^2 + 33406^2 .

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, 110297 + ... + 322152.

Almost surely, 2^45808457672 is an apocalyptic number.

It is an amenable number.

45808457672 is a deficient number, since it is larger than the sum of its proper divisors (40089085828).

45808457672 is a wasteful number, since it uses less digits than its factorization.

45808457672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445696 (or 445692 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 45808457672 in words is "forty-five billion, eight hundred eight million, four hundred fifty-seven thousand, six hundred seventy-two".