45457832431 has 32 divisors (see below), whose sum is σ = 55562443776. Its totient is φ = 36679104000.

The previous prime is 45457832419. The next prime is 45457832471. The reversal of 45457832431 is 13423875454.

It is not a de Polignac number, because 45457832431 - 2¹³ = 45457824239 is a prime.

It is a super-2 number, since 2×45457832431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45457832411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 230941 + ... + 379801.

It is an arithmetic number, because the mean of its divisors is an integer number (1736326368).

Almost surely, 2^45457832431 is an apocalyptic number.

45457832431 is a deficient number, since it is larger than the sum of its proper divisors (10104611345).

45457832431 is a wasteful number, since it uses less digits than its factorization.

45457832431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148983.

The product of its digits is 1612800, while the sum is 46.

The spelling of 45457832431 in words is "forty-five billion, four hundred fifty-seven million, eight hundred thirty-two thousand, four hundred thirty-one".