45668117402 has 16 divisors (see below), whose sum is σ = 70182747432. Its totient is φ = 22274023680.

The previous prime is 45668117359. The next prime is 45668117447. The reversal of 45668117402 is 20471186654.

It is a Cunningham number, because it is equal to 213701²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 4032123001 + 41635994401 = 63499^2 + 204049^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620588 + ... + 690264.

Almost surely, 2^45668117402 is an apocalyptic number.

45668117402 is a deficient number, since it is larger than the sum of its proper divisors (24514630030).

45668117402 is a wasteful number, since it uses less digits than its factorization.

45668117402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77713.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 45668117402 in words is "forty-five billion, six hundred sixty-eight million, one hundred seventeen thousand, four hundred two".