45032503431 has 24 divisors (see below), whose sum is σ = 62775519744. Its totient is φ = 28685095920.

The previous prime is 45032503391. The next prime is 45032503433. The reversal of 45032503431 is 13430523054.

45032503431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45032503431 - 2²⁵ = 44998948999 is a prime.

It is a super-2 number, since 2×45032503431² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45032503433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 541620 + ... + 619206.

It is an arithmetic number, because the mean of its divisors is an integer number (2615646656).

Almost surely, 2^45032503431 is an apocalyptic number.

45032503431 is a deficient number, since it is larger than the sum of its proper divisors (17743016313).

45032503431 is an equidigital number, since it uses as much as digits as its factorization.

45032503431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77779 (or 77700 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 45032503431 in words is "forty-five billion, thirty-two million, five hundred three thousand, four hundred thirty-one".