181042 has 8 divisors (see below), whose sum is σ = 274032. Its totient is φ = 89700.

The previous prime is 181039. The next prime is 181061. The reversal of 181042 is 240181.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84 + ... + 607.

It is an arithmetic number, because the mean of its divisors is an integer number (34254).

2¹⁸¹⁰⁴² is an apocalyptic number.

181042 is a deficient number, since it is larger than the sum of its proper divisors (92990).

181042 is a wasteful number, since it uses less digits than its factorization.

181042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 181042 is about 425.4903054125. The cubic root of 181042 is about 56.5709032314.

The spelling of 181042 in words is "one hundred eighty-one thousand, forty-two".