242444141 has 2 divisors, whose sum is σ = 242444142. Its totient is φ = 242444140.

The previous prime is 242444129. The next prime is 242444179. The reversal of 242444141 is 141444242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211586116 + 30858025 = 14546^2 + 5555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242444141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242444141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242441141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121222070 + 121222071.

It is an arithmetic number, because the mean of its divisors is an integer number (121222071).

Almost surely, 2^242444141 is an apocalyptic number.

It is an amenable number.

242444141 is a deficient number, since it is larger than the sum of its proper divisors (1).

242444141 is an equidigital number, since it uses as much as digits as its factorization.

242444141 is an evil number, because the sum of its binary digits is even.

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

The square root of 242444141 is about 15570.6178747023. The cubic root of 242444141 is about 623.5489674677.

Adding to 242444141 its reverse (141444242), we get a palindrome (383888383).

The spelling of 242444141 in words is "two hundred forty-two million, four hundred forty-four thousand, one hundred forty-one".