159143 has 4 divisors (see below), whose sum is σ = 162888. Its totient is φ = 155400.

The previous prime is 159119. The next prime is 159157. The reversal of 159143 is 341951.

It is a happy number.

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 159143 - 2⁶ = 159079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1808 + ... + 1893.

It is an arithmetic number, because the mean of its divisors is an integer number (40722).

2¹⁵⁹¹⁴³ is an apocalyptic number.

159143 is a deficient number, since it is larger than the sum of its proper divisors (3745).

159143 is an equidigital number, since it uses as much as digits as its factorization.

159143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3744.

The product of its digits is 540, while the sum is 23.

The square root of 159143 is about 398.9273116747. The cubic root of 159143 is about 54.1912514304.

The spelling of 159143 in words is "one hundred fifty-nine thousand, one hundred forty-three".