159142 has 8 divisors (see below), whose sum is σ = 243936. Its totient is φ = 77832.

The previous prime is 159119. The next prime is 159157. The reversal of 159142 is 241951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

159142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753 + ... + 940.

It is an arithmetic number, because the mean of its divisors is an integer number (30492).

2¹⁵⁹¹⁴² is an apocalyptic number.

159142 is a deficient number, since it is larger than the sum of its proper divisors (84794).

159142 is a wasteful number, since it uses less digits than its factorization.

159142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742.

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

The square root of 159142 is about 398.9260583116. The cubic root of 159142 is about 54.1911379237.

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

The spelling of 159142 in words is "one hundred fifty-nine thousand, one hundred forty-two".