185142 has 16 divisors (see below), whose sum is σ = 377280. Its totient is φ = 60552.

The previous prime is 185137. The next prime is 185149. The reversal of 185142 is 241581.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (185149) by changing a digit.

185142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93 + ... + 615.

It is an arithmetic number, because the mean of its divisors is an integer number (23580).

2¹⁸⁵¹⁴² is an apocalyptic number.

185142 is an abundant number, since it is smaller than the sum of its proper divisors (192138).

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

185142 is a wasteful number, since it uses less digits than its factorization.

185142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587.

The product of its digits is 320, while the sum is 21.

The square root of 185142 is about 430.2813033354. The cubic root of 185142 is about 56.9947671404.

The spelling of 185142 in words is "one hundred eighty-five thousand, one hundred forty-two".