242758 has 4 divisors (see below), whose sum is σ = 364140. Its totient is φ = 121378.

The previous prime is 242747. The next prime is 242773. The reversal of 242758 is 857242.

242758 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60688 + ... + 60691.

It is an arithmetic number, because the mean of its divisors is an integer number (91035).

2²⁴²⁷⁵⁸ is an apocalyptic number.

242758 is a deficient number, since it is larger than the sum of its proper divisors (121382).

242758 is a wasteful number, since it uses less digits than its factorization.

242758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121381.

The product of its digits is 4480, while the sum is 28.

The square root of 242758 is about 492.7047797617. The cubic root of 242758 is about 62.3817925730.

It can be divided in two parts, 2427 and 58, that added together give a triangular number (2485 = T₇₀).

The spelling of 242758 in words is "two hundred forty-two thousand, seven hundred fifty-eight".