45218507137688 has 32 divisors (see below), whose sum is σ = 85070521786800. Its totient is φ = 22533118109568.

The previous prime is 45218507137667. The next prime is 45218507137703. The reversal of 45218507137688 is 88673170581254.

It is a super-2 number, since 2×45218507137688² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 878858 + ... + 9550361.

Almost surely, 2^{45218507137688} is an apocalyptic number.

It is an amenable number.

45218507137688 is a deficient number, since it is larger than the sum of its proper divisors (39852014649112).

45218507137688 is a wasteful number, since it uses less digits than its factorization.

45218507137688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10431051 (or 10431047 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 65.

The spelling of 45218507137688 in words is "forty-five trillion, two hundred eighteen billion, five hundred seven million, one hundred thirty-seven thousand, six hundred eighty-eight".