157431744443 has 8 divisors (see below), whose sum is σ = 161363473680. Its totient is φ = 153546544800.

The previous prime is 157431744413. The next prime is 157431744493. The reversal of 157431744443 is 344447134751.

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 157431744443 - 2²⁸ = 157163308987 is a prime.

It is a super-2 number, since 2×157431744443² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157431744413) 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, 11625548 + ... + 11639081.

It is an arithmetic number, because the mean of its divisors is an integer number (20170434210).

Almost surely, 2^157431744443 is an apocalyptic number.

157431744443 is a deficient number, since it is larger than the sum of its proper divisors (3931729237).

157431744443 is a wasteful number, since it uses less digits than its factorization.

157431744443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23264797.

The product of its digits is 2257920, while the sum is 47.

The spelling of 157431744443 in words is "one hundred fifty-seven billion, four hundred thirty-one million, seven hundred forty-four thousand, four hundred forty-three".