144242222441 has 2 divisors, whose sum is σ = 144242222442. Its totient is φ = 144242222440.

The previous prime is 144242222419. The next prime is 144242222447. The reversal of 144242222441 is 144222242441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 126306316816 + 17935905625 = 355396^2 + 133925^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144242222441 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144242222398 and 144242222407.

It is not a weakly prime, because it can be changed into another prime (144242222447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72121111220 + 72121111221.

It is an arithmetic number, because the mean of its divisors is an integer number (72121111221).

Almost surely, 2^144242222441 is an apocalyptic number.

It is an amenable number.

144242222441 is a deficient number, since it is larger than the sum of its proper divisors (1).

144242222441 is an equidigital number, since it uses as much as digits as its factorization.

144242222441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32768, while the sum is 32.

Adding to 144242222441 its reverse (144222242441), we get a palindrome (288464464882).

The spelling of 144242222441 in words is "one hundred forty-four billion, two hundred forty-two million, two hundred twenty-two thousand, four hundred forty-one".