159918543143 has 2 divisors, whose sum is σ = 159918543144. Its totient is φ = 159918543142.

The previous prime is 159918543131. The next prime is 159918543157. The reversal of 159918543143 is 341345819951.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159918543143 - 2¹⁴ = 159918526759 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159918543643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79959271571 + 79959271572.

It is an arithmetic number, because the mean of its divisors is an integer number (79959271572).

Almost surely, 2^159918543143 is an apocalyptic number.

159918543143 is a deficient number, since it is larger than the sum of its proper divisors (1).

159918543143 is an equidigital number, since it uses as much as digits as its factorization.

159918543143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 53.

The spelling of 159918543143 in words is "one hundred fifty-nine billion, nine hundred eighteen million, five hundred forty-three thousand, one hundred forty-three".