159297143 has 2 divisors, whose sum is σ = 159297144. Its totient is φ = 159297142.

The previous prime is 159297137. The next prime is 159297163. The reversal of 159297143 is 341792951.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159297143 - 2⁶ = 159297079 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159297143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159297113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79648571 + 79648572.

It is an arithmetic number, because the mean of its divisors is an integer number (79648572).

Almost surely, 2^159297143 is an apocalyptic number.

159297143 is a deficient number, since it is larger than the sum of its proper divisors (1).

159297143 is an equidigital number, since it uses as much as digits as its factorization.

159297143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 159297143 is about 12621.2971995750. The cubic root of 159297143 is about 542.0874200299.

The spelling of 159297143 in words is "one hundred fifty-nine million, two hundred ninety-seven thousand, one hundred forty-three".