242146 has 8 divisors (see below), whose sum is σ = 372204. Its totient is φ = 118080.

The previous prime is 242129. The next prime is 242147. The reversal of 242146 is 641242.

It can be written as a sum of positive squares in 2 ways, for example, as 239121 + 3025 = 489^2 + 55^2 .

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 (242147) 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, 1395 + ... + 1558.

2²⁴²¹⁴⁶ is an apocalyptic number.

242146 is a deficient number, since it is larger than the sum of its proper divisors (130058).

242146 is a wasteful number, since it uses less digits than its factorization.

242146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2996.

The product of its digits is 384, while the sum is 19.

The square root of 242146 is about 492.0833262772. The cubic root of 242146 is about 62.3293263523.

Adding to 242146 its reverse (641242), we get a palindrome (883388).

The spelling of 242146 in words is "two hundred forty-two thousand, one hundred forty-six".