45140782431 has 24 divisors (see below), whose sum is σ = 64049100544. Its totient is φ = 28273714560.

The previous prime is 45140782417. The next prime is 45140782441. The reversal of 45140782431 is 13428704154.

It is not a de Polignac number, because 45140782431 - 2⁷ = 45140782303 is a prime.

It is a super-2 number, since 2×45140782431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45140782431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45140782441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449466 + ... + 540648.

Almost surely, 2^45140782431 is an apocalyptic number.

45140782431 is a deficient number, since it is larger than the sum of its proper divisors (18908318113).

45140782431 is a wasteful number, since it uses less digits than its factorization.

45140782431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91791 (or 91774 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The spelling of 45140782431 in words is "forty-five billion, one hundred forty million, seven hundred eighty-two thousand, four hundred thirty-one".