242546 has 8 divisors (see below), whose sum is σ = 366444. Its totient is φ = 120400.

The previous prime is 242533. The next prime is 242551. The reversal of 242546 is 645242.

242546 is digitally balanced in base 3, 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 198025 + 44521 = 445^2 + 211^2 .

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

It is a nialpdrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5 + ... + 696.

2²⁴²⁵⁴⁶ is an apocalyptic number.

242546 is a deficient number, since it is larger than the sum of its proper divisors (123898).

242546 is a wasteful number, since it uses less digits than its factorization.

242546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876.

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

The square root of 242546 is about 492.4895937987. The cubic root of 242546 is about 62.3636279926.

Adding to 242546 its reverse (645242), we get a palindrome (887788).

The spelling of 242546 in words is "two hundred forty-two thousand, five hundred forty-six".