242415 has 12 divisors (see below), whose sum is σ = 420264. Its totient is φ = 129264.

The previous prime is 242413. The next prime is 242419. The reversal of 242415 is 514242.

It is not a de Polignac number, because 242415 - 2¹ = 242413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2649 + ... + 2738.

It is an arithmetic number, because the mean of its divisors is an integer number (35022).

2²⁴²⁴¹⁵ is an apocalyptic number.

242415 is a deficient number, since it is larger than the sum of its proper divisors (177849).

242415 is a wasteful number, since it uses less digits than its factorization.

242415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5398 (or 5395 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 242415 is about 492.3565781017. The cubic root of 242415 is about 62.3523983612.

Adding to 242415 its reverse (514242), we get a palindrome (756657).

The spelling of 242415 in words is "two hundred forty-two thousand, four hundred fifteen".