45918305531 has 8 divisors (see below), whose sum is σ = 52487009760. Its totient is φ = 39351837888.

The previous prime is 45918305507. The next prime is 45918305533. The reversal of 45918305531 is 13550381954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45918305531 - 2¹⁰ = 45918304507 is a prime.

It is a super-2 number, since 2×45918305531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45918305533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514916 + ... + 597473.

It is an arithmetic number, because the mean of its divisors is an integer number (6560876220).

Almost surely, 2^45918305531 is an apocalyptic number.

45918305531 is a deficient number, since it is larger than the sum of its proper divisors (6568704229).

45918305531 is a wasteful number, since it uses less digits than its factorization.

45918305531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118293.

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 45918305531 in words is "forty-five billion, nine hundred eighteen million, three hundred five thousand, five hundred thirty-one".