151571442943 has 4 divisors (see below), whose sum is σ = 151617196768. Its totient is φ = 151525689120.

The previous prime is 151571442937. The next prime is 151571442989. The reversal of 151571442943 is 349244175151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151571442943 - 2³⁷ = 14132489471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151571442893 and 151571442902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151571442923) 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, 22871943 + ... + 22878568.

It is an arithmetic number, because the mean of its divisors is an integer number (37904299192).

Almost surely, 2^151571442943 is an apocalyptic number.

151571442943 is a deficient number, since it is larger than the sum of its proper divisors (45753825).

151571442943 is an equidigital number, since it uses as much as digits as its factorization.

151571442943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45753824.

The product of its digits is 604800, while the sum is 46.

The spelling of 151571442943 in words is "one hundred fifty-one billion, five hundred seventy-one million, four hundred forty-two thousand, nine hundred forty-three".