189242 has 4 divisors (see below), whose sum is σ = 283866. Its totient is φ = 94620.

The previous prime is 189239. The next prime is 189251. The reversal of 189242 is 242981.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242981 = 17 ⋅14293.

It can be written as a sum of positive squares in only one way, i.e., 185761 + 3481 = 431^2 + 59^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47309 + ... + 47312.

2¹⁸⁹²⁴² is an apocalyptic number.

189242 is a deficient number, since it is larger than the sum of its proper divisors (94624).

189242 is an equidigital number, since it uses as much as digits as its factorization.

189242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94623.

The product of its digits is 1152, while the sum is 26.

The square root of 189242 is about 435.0195397910. The cubic root of 189242 is about 57.4124186527.

The spelling of 189242 in words is "one hundred eighty-nine thousand, two hundred forty-two".