242315105155 has 32 divisors (see below), whose sum is σ = 313789593600. Its totient is φ = 178974512640.

The previous prime is 242315105101. The next prime is 242315105183. The reversal of 242315105155 is 551501513242.

It is not a de Polignac number, because 242315105155 - 2⁹ = 242315104643 is a prime.

It is a super-2 number, since 2×242315105155² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242315105155.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1100082 + ... + 1301848.

It is an arithmetic number, because the mean of its divisors is an integer number (9805924800).

Almost surely, 2^242315105155 is an apocalyptic number.

242315105155 is a deficient number, since it is larger than the sum of its proper divisors (71474488445).

242315105155 is a wasteful number, since it uses less digits than its factorization.

242315105155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202059.

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 242315105155 its reverse (551501513242), we get a palindrome (793816618397).

The spelling of 242315105155 in words is "two hundred forty-two billion, three hundred fifteen million, one hundred five thousand, one hundred fifty-five".