194042 has 4 divisors (see below), whose sum is σ = 291066. Its totient is φ = 97020.

The previous prime is 194027. The next prime is 194057. The reversal of 194042 is 240491.

194042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (194027) and next prime (194057).

It can be written as a sum of positive squares in only one way, i.e., 185761 + 8281 = 431^2 + 91^2 .

It is an Ulam number.

It is an unprimeable number.

194042 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48509 + ... + 48512.

2¹⁹⁴⁰⁴² is an apocalyptic number.

194042 is a deficient number, since it is larger than the sum of its proper divisors (97024).

194042 is an equidigital number, since it uses as much as digits as its factorization.

194042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97023.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 194042 is about 440.5019863746. The cubic root of 194042 is about 57.8937810195.

The spelling of 194042 in words is "one hundred ninety-four thousand, forty-two".