142159 has 2 divisors, whose sum is σ = 142160. Its totient is φ = 142158.

The previous prime is 142157. The next prime is 142169. The reversal of 142159 is 951241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142159 - 2¹ = 142157 is a prime.

Together with 142157, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71079 + 71080.

It is an arithmetic number, because the mean of its divisors is an integer number (71080).

2¹⁴²¹⁵⁹ is an apocalyptic number.

142159 is a deficient number, since it is larger than the sum of its proper divisors (1).

142159 is an equidigital number, since it uses as much as digits as its factorization.

142159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 22.

The square root of 142159 is about 377.0397856991. The cubic root of 142159 is about 52.1904994870.

It can be divided in two parts, 142 and 159, that multiplied together give a triangular number (22578 = T₂₁₂).

The spelling of 142159 in words is "one hundred forty-two thousand, one hundred fifty-nine".