242152159 has 2 divisors, whose sum is σ = 242152160. Its totient is φ = 242152158.

The previous prime is 242152153. The next prime is 242152187. The reversal of 242152159 is 951251242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242152159 - 2³ = 242152151 is a prime.

It is a super-2 number, since 2×242152159² = 117275336216722562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242152159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242152151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121076079 + 121076080.

It is an arithmetic number, because the mean of its divisors is an integer number (121076080).

Almost surely, 2^242152159 is an apocalyptic number.

242152159 is a deficient number, since it is larger than the sum of its proper divisors (1).

242152159 is an equidigital number, since it uses as much as digits as its factorization.

242152159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 31.

The square root of 242152159 is about 15561.2389930879. The cubic root of 242152159 is about 623.2985479808.

The spelling of 242152159 in words is "two hundred forty-two million, one hundred fifty-two thousand, one hundred fifty-nine".