157157301443 has 4 divisors (see below), whose sum is σ = 157164138768. Its totient is φ = 157150464120.

The previous prime is 157157301407. The next prime is 157157301451. The reversal of 157157301443 is 344103751751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 344103751751 = 6659 ⋅51674989.

It is a cyclic number.

It is not a de Polignac number, because 157157301443 - 2²⁴ = 157140524227 is a prime.

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 157157301443.

It is not an unprimeable number, because it can be changed into a prime (157157301943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3384068 + ... + 3430193.

It is an arithmetic number, because the mean of its divisors is an integer number (39291034692).

Almost surely, 2^157157301443 is an apocalyptic number.

157157301443 is a deficient number, since it is larger than the sum of its proper divisors (6837325).

157157301443 is an equidigital number, since it uses as much as digits as its factorization.

157157301443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6837324.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 157157301443 in words is "one hundred fifty-seven billion, one hundred fifty-seven million, three hundred one thousand, four hundred forty-three".