242332515 has 24 divisors (see below), whose sum is σ = 420730128. Its totient is φ = 129032640.

The previous prime is 242332511. The next prime is 242332523. The reversal of 242332515 is 515233242.

It is a happy number.

It is not a de Polignac number, because 242332515 - 2² = 242332511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242332511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25672 + ... + 33818.

It is an arithmetic number, because the mean of its divisors is an integer number (17530422).

Almost surely, 2^242332515 is an apocalyptic number.

242332515 is a deficient number, since it is larger than the sum of its proper divisors (178397613).

242332515 is a wasteful number, since it uses less digits than its factorization.

242332515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8819 (or 8816 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 242332515 is about 15567.0329542916. The cubic root of 242332515 is about 623.4532547510.

Adding to 242332515 its reverse (515233242), we get a palindrome (757565757).

The spelling of 242332515 in words is "two hundred forty-two million, three hundred thirty-two thousand, five hundred fifteen".