242248155 has 16 divisors (see below), whose sum is σ = 389978880. Its totient is φ = 128405088.

The previous prime is 242248129. The next prime is 242248169. The reversal of 242248155 is 551842242.

It is not a de Polignac number, because 242248155 - 2⁸ = 242247899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47095 + ... + 51984.

It is an arithmetic number, because the mean of its divisors is an integer number (24373680).

Almost surely, 2^242248155 is an apocalyptic number.

242248155 is a deficient number, since it is larger than the sum of its proper divisors (147730725).

242248155 is a wasteful number, since it uses less digits than its factorization.

242248155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99250.

The product of its digits is 25600, while the sum is 33.

The square root of 242248155 is about 15564.3231462213. The cubic root of 242248155 is about 623.3809015208.

The spelling of 242248155 in words is "two hundred forty-two million, two hundred forty-eight thousand, one hundred fifty-five".