242258 has 8 divisors (see below), whose sum is σ = 367740. Its totient is φ = 119680.

The previous prime is 242257. The next prime is 242261. The reversal of 242258 is 852242.

242258 is nontrivially palindromic in base 7.

242258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 214369 + 27889 = 463^2 + 167^2 .

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

It is not an unprimeable number, because it can be changed into a prime (242257) 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, 503 + ... + 858.

2²⁴²²⁵⁸ is an apocalyptic number.

242258 is a deficient number, since it is larger than the sum of its proper divisors (125482).

242258 is a wasteful number, since it uses less digits than its factorization.

242258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452.

The product of its digits is 1280, while the sum is 23.

The square root of 242258 is about 492.1971149854. The cubic root of 242258 is about 62.3389346170.

The spelling of 242258 in words is "two hundred forty-two thousand, two hundred fifty-eight".