158142 has 8 divisors (see below), whose sum is σ = 316296. Its totient is φ = 52712.

The previous prime is 158141. The next prime is 158143. The reversal of 158142 is 241851.

It is an interprime number because it is at equal distance from previous prime (158141) and next prime (158143).

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

158142 is an admirable number.

It is a plaindrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 158142.

It is not an unprimeable number, because it can be changed into a prime (158141) 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, 13173 + ... + 13184.

It is an arithmetic number, because the mean of its divisors is an integer number (39537).

2¹⁵⁸¹⁴² is an apocalyptic number.

158142 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158142 is a wasteful number, since it uses less digits than its factorization.

158142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26362.

The product of its digits is 320, while the sum is 21.

The square root of 158142 is about 397.6707180570. The cubic root of 158142 is about 54.0773924580.

Adding to 158142 its reverse (241851), we get a palindrome (399993).

It can be divided in two parts, 158 and 142, that added together give a triangular number (300 = T₂₄).

The spelling of 158142 in words is "one hundred fifty-eight thousand, one hundred forty-two".