194542 has 8 divisors (see below), whose sum is σ = 293832. Its totient is φ = 96600.

The previous prime is 194527. The next prime is 194543. The reversal of 194542 is 245491.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192 + ... + 652.

It is an arithmetic number, because the mean of its divisors is an integer number (36729).

2¹⁹⁴⁵⁴² is an apocalyptic number.

194542 is a deficient number, since it is larger than the sum of its proper divisors (99290).

194542 is a wasteful number, since it uses less digits than its factorization.

194542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its digits is 1440, while the sum is 25.

The square root of 194542 is about 441.0691555754. The cubic root of 194542 is about 57.9434645295.

The spelling of 194542 in words is "one hundred ninety-four thousand, five hundred forty-two".