242044444133 has 4 divisors (see below), whose sum is σ = 242478994860. Its totient is φ = 241609893408.

The previous prime is 242044444099. The next prime is 242044444171. The reversal of 242044444133 is 331444440242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 76946876449 + 165097567684 = 277393^2 + 406322^2 .

It is a cyclic number.

It is not a de Polignac number, because 242044444133 - 2²⁴ = 242027666917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242044444093 and 242044444102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242044449133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217274528 + ... + 217275641.

It is an arithmetic number, because the mean of its divisors is an integer number (60619748715).

Almost surely, 2^242044444133 is an apocalyptic number.

It is an amenable number.

242044444133 is a deficient number, since it is larger than the sum of its proper divisors (434550727).

242044444133 is an equidigital number, since it uses as much as digits as its factorization.

242044444133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434550726.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 242044444133 its reverse (331444440242), we get a palindrome (573488884375).

The spelling of 242044444133 in words is "two hundred forty-two billion, forty-four million, four hundred forty-four thousand, one hundred thirty-three".