242456 has 8 divisors (see below), whose sum is σ = 454620. Its totient is φ = 121224.

The previous prime is 242453. The next prime is 242467. The reversal of 242456 is 654242.

242456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15146 + ... + 15161.

2²⁴²⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

242456 is a deficient number, since it is larger than the sum of its proper divisors (212164).

242456 is a wasteful number, since it uses less digits than its factorization.

242456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30313 (or 30309 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 242456 is about 492.3982128319. The cubic root of 242456 is about 62.3559134135.

Adding to 242456 its reverse (654242), we get a palindrome (896698).

The spelling of 242456 in words is "two hundred forty-two thousand, four hundred fifty-six".