168142 has 16 divisors (see below), whose sum is σ = 282240. Its totient is φ = 74592.

The previous prime is 168127. The next prime is 168143. The reversal of 168142 is 241861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643 + ... + 865.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2¹⁶⁸¹⁴² is an apocalyptic number.

168142 is a deficient number, since it is larger than the sum of its proper divisors (114098).

168142 is a wasteful number, since it uses less digits than its factorization.

168142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267.

The product of its digits is 384, while the sum is 22.

The square root of 168142 is about 410.0512163133. The cubic root of 168142 is about 55.1940254683.

The spelling of 168142 in words is "one hundred sixty-eight thousand, one hundred forty-two".