45444535431 has 8 divisors (see below), whose sum is σ = 60694896240. Its totient is φ = 30245265792.

The previous prime is 45444535403. The next prime is 45444535469. The reversal of 45444535431 is 13453544454.

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

It is not a de Polignac number, because 45444535431 - 2⁵ = 45444535399 is a prime.

It is a super-2 number, since 2×45444535431² (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 (45444535471) 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, 12770716 + ... + 12774273.

It is an arithmetic number, because the mean of its divisors is an integer number (7586862030).

Almost surely, 2^45444535431 is an apocalyptic number.

45444535431 is a deficient number, since it is larger than the sum of its proper divisors (15250360809).

45444535431 is a wasteful number, since it uses less digits than its factorization.

45444535431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25545585.

The product of its digits is 1152000, while the sum is 42.

The spelling of 45444535431 in words is "forty-five billion, four hundred forty-four million, five hundred thirty-five thousand, four hundred thirty-one".