342181 has 4 divisors (see below), whose sum is σ = 391072. Its totient is φ = 293292.

The previous prime is 342179. The next prime is 342187. The reversal of 342181 is 181243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342181 - 2¹ = 342179 is a prime.

It is a super-2 number, since 2×342181² = 234175673522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342187) 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, 24435 + ... + 24448.

It is an arithmetic number, because the mean of its divisors is an integer number (97768).

2³⁴²¹⁸¹ is an apocalyptic number.

It is an amenable number.

342181 is a deficient number, since it is larger than the sum of its proper divisors (48891).

342181 is an equidigital number, since it uses as much as digits as its factorization.

342181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48890.

The product of its digits is 192, while the sum is 19.

The square root of 342181 is about 584.9623919535. The cubic root of 342181 is about 69.9442413113.

The spelling of 342181 in words is "three hundred forty-two thousand, one hundred eighty-one".