45453454431 has 48 divisors (see below), whose sum is σ = 77127095808. Its totient is φ = 23544998400.

The previous prime is 45453454411. The next prime is 45453454433. The reversal of 45453454431 is 13445435454.

It is not a de Polignac number, because 45453454431 - 2²¹ = 45451357279 is a prime.

It is a super-2 number, since 2×45453454431² (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 (45453454433) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 530986 + ... + 610616.

It is an arithmetic number, because the mean of its divisors is an integer number (1606814496).

Almost surely, 2^45453454431 is an apocalyptic number.

45453454431 is a deficient number, since it is larger than the sum of its proper divisors (31673641377).

45453454431 is a wasteful number, since it uses less digits than its factorization.

45453454431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80012 (or 80005 counting only the distinct ones).

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

Adding to 45453454431 its reverse (13445435454), we get a palindrome (58898889885).

The spelling of 45453454431 in words is "forty-five billion, four hundred fifty-three million, four hundred fifty-four thousand, four hundred thirty-one".