180842 has 8 divisors (see below), whose sum is σ = 285600. Its totient is φ = 85644.

The previous prime is 180811. The next prime is 180847. The reversal of 180842 is 248081.

180842 is nontrivially palindromic in base 14.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 180842.

It is not an unprimeable number, because it can be changed into a prime (180847) 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, 2342 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (35700).

2¹⁸⁰⁸⁴² is an apocalyptic number.

180842 is a deficient number, since it is larger than the sum of its proper divisors (104758).

180842 is a wasteful number, since it uses less digits than its factorization.

180842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 180842 is about 425.2552174871. The cubic root of 180842 is about 56.5500639611.

The spelling of 180842 in words is "one hundred eighty thousand, eight hundred forty-two".