242345442515 has 16 divisors (see below), whose sum is σ = 317262791520. Its totient is φ = 176245355520.

The previous prime is 242345442511. The next prime is 242345442523. The reversal of 242345442515 is 515244543242.

It is not a de Polignac number, because 242345442515 - 2² = 242345442511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242345442511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2258501 + ... + 2363369.

It is an arithmetic number, because the mean of its divisors is an integer number (19828924470).

Almost surely, 2^242345442515 is an apocalyptic number.

242345442515 is a deficient number, since it is larger than the sum of its proper divisors (74917349005).

242345442515 is a wasteful number, since it uses less digits than its factorization.

242345442515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146902.

The product of its digits is 768000, while the sum is 41.

Adding to 242345442515 its reverse (515244543242), we get a palindrome (757589985757).

The spelling of 242345442515 in words is "two hundred forty-two billion, three hundred forty-five million, four hundred forty-two thousand, five hundred fifteen".