242441155 has 16 divisors (see below), whose sum is σ = 318780000. Its totient is φ = 175541760.

The previous prime is 242441149. The next prime is 242441191. The reversal of 242441155 is 551144242.

It is not a de Polignac number, because 242441155 - 2⁵ = 242441123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2971 + ... + 22219.

It is an arithmetic number, because the mean of its divisors is an integer number (19923750).

Almost surely, 2^242441155 is an apocalyptic number.

242441155 is a deficient number, since it is larger than the sum of its proper divisors (76338845).

242441155 is a wasteful number, since it uses less digits than its factorization.

242441155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19494.

The product of its digits is 6400, while the sum is 28.

The square root of 242441155 is about 15570.5219886810. The cubic root of 242441155 is about 623.5464075312.

Adding to 242441155 its reverse (551144242), we get a palindrome (793585397).

The spelling of 242441155 in words is "two hundred forty-two million, four hundred forty-one thousand, one hundred fifty-five".