159395981143 has 24 divisors (see below), whose sum is σ = 188227912560. Its totient is φ = 134561347200.

The previous prime is 159395981123. The next prime is 159395981161. The reversal of 159395981143 is 341189593951.

It is not a de Polignac number, because 159395981143 - 2¹⁷ = 159395850071 is a prime.

It is a super-2 number, since 2×159395981143² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159395981123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2504668 + ... + 2567518.

It is an arithmetic number, because the mean of its divisors is an integer number (7842829690).

Almost surely, 2^159395981143 is an apocalyptic number.

159395981143 is a deficient number, since it is larger than the sum of its proper divisors (28831931417).

159395981143 is an equidigital number, since it uses as much as digits as its factorization.

159395981143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63647 (or 63640 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 58.

The spelling of 159395981143 in words is "one hundred fifty-nine billion, three hundred ninety-five million, nine hundred eighty-one thousand, one hundred forty-three".