242444133 has 12 divisors (see below), whose sum is σ = 350389260. Its totient is φ = 161540736.

The previous prime is 242444129. The next prime is 242444141. The reversal of 242444133 is 331444242.

It is a happy number.

242444133 is a `hidden beast` number, since 2 + 4 + 244 + 413 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20493729 + 221950404 = 4527^2 + 14898^2 .

It is not a de Polignac number, because 242444133 - 2² = 242444129 is a prime.

It is a super-2 number, since 2×242444133² = 117558315252243378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242444097 and 242444106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242444113) 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 11 ways as a sum of consecutive naturals, for example, 12835 + ... + 25487.

It is an arithmetic number, because the mean of its divisors is an integer number (29199105).

Almost surely, 2^242444133 is an apocalyptic number.

It is an amenable number.

242444133 is a deficient number, since it is larger than the sum of its proper divisors (107945127).

242444133 is a wasteful number, since it uses less digits than its factorization.

242444133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14788 (or 14785 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 242444133 is about 15570.6176178082. The cubic root of 242444133 is about 623.5489606093.

Adding to 242444133 its reverse (331444242), we get a palindrome (573888375).

The spelling of 242444133 in words is "two hundred forty-two million, four hundred forty-four thousand, one hundred thirty-three".