168242 has 4 divisors (see below), whose sum is σ = 252366. Its totient is φ = 84120.

The previous prime is 168227. The next prime is 168247. The reversal of 168242 is 242861.

168242 is nontrivially palindromic in base 14.

168242 is an esthetic number in base 14, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242861 = 211 ⋅1151.

It can be written as a sum of positive squares in only one way, i.e., 167281 + 961 = 409^2 + 31^2 .

168242 is an undulating number in base 14.

It is not an unprimeable number, because it can be changed into a prime (168247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42059 + ... + 42062.

2¹⁶⁸²⁴² is an apocalyptic number.

168242 is a deficient number, since it is larger than the sum of its proper divisors (84124).

168242 is an equidigital number, since it uses as much as digits as its factorization.

168242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84123.

The product of its digits is 768, while the sum is 23.

The square root of 168242 is about 410.1731341763. The cubic root of 168242 is about 55.2049652468.

The spelling of 168242 in words is "one hundred sixty-eight thousand, two hundred forty-two".