45431237557 has 8 divisors (see below), whose sum is σ = 45498494016. Its totient is φ = 45364012512.

The previous prime is 45431237549. The next prime is 45431237567. The reversal of 45431237557 is 75573213454.

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

It is a cyclic number.

It is not a de Polignac number, because 45431237557 - 2³ = 45431237549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45431237507) 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, 5613768 + ... + 5621854.

It is an arithmetic number, because the mean of its divisors is an integer number (5687311752).

Almost surely, 2^45431237557 is an apocalyptic number.

It is an amenable number.

45431237557 is a deficient number, since it is larger than the sum of its proper divisors (67256459).

45431237557 is an equidigital number, since it uses as much as digits as its factorization.

45431237557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15707.

The product of its digits is 1764000, while the sum is 46.

The spelling of 45431237557 in words is "forty-five billion, four hundred thirty-one million, two hundred thirty-seven thousand, five hundred fifty-seven".