242144441 has 32 divisors (see below), whose sum is σ = 316932096. Its totient is φ = 179496000.

The previous prime is 242144407. The next prime is 242144453. The reversal of 242144441 is 144441242.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242144441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242144441.

It is not an unprimeable number, because it can be changed into a prime (242144471) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 144776 + ... + 146438.

It is an arithmetic number, because the mean of its divisors is an integer number (9904128).

Almost surely, 2^242144441 is an apocalyptic number.

It is an amenable number.

242144441 is a deficient number, since it is larger than the sum of its proper divisors (74787655).

242144441 is a wasteful number, since it uses less digits than its factorization.

242144441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773.

The product of its digits is 4096, while the sum is 26.

The square root of 242144441 is about 15560.9910031463. The cubic root of 242144441 is about 623.2919258783.

Adding to 242144441 its reverse (144441242), we get a palindrome (386585683).

The spelling of 242144441 in words is "two hundred forty-two million, one hundred forty-four thousand, four hundred forty-one".