185442 has 16 divisors (see below), whose sum is σ = 383232. Its totient is φ = 59760.

The previous prime is 185441. The next prime is 185467. The reversal of 185442 is 244581.

It is not an unprimeable number, because it can be changed into a prime (185441) 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, 313 + ... + 684.

It is an arithmetic number, because the mean of its divisors is an integer number (23952).

2¹⁸⁵⁴⁴² is an apocalyptic number.

185442 is an abundant number, since it is smaller than the sum of its proper divisors (197790).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

185442 is a wasteful number, since it uses less digits than its factorization.

185442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033.

The product of its digits is 1280, while the sum is 24.

The square root of 185442 is about 430.6297713814. The cubic root of 185442 is about 57.0255348811.

It can be divided in two parts, 18 and 5442, that added together give a triangular number (5460 = T₁₀₄).

The spelling of 185442 in words is "one hundred eighty-five thousand, four hundred forty-two".