144044332222981 has 2 divisors, whose sum is σ = 144044332222982. Its totient is φ = 144044332222980.

The previous prime is 144044332222937. The next prime is 144044332223021. The reversal of 144044332222981 is 189222233440441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138886932100900 + 5157400122081 = 11785030^2 + 2270991^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144044332222981 is a prime.

It is a super-2 number, since 2×144044332222981² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144044332322981) 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 as a sum of consecutive naturals, namely, 72022166111490 + 72022166111491.

It is an arithmetic number, because the mean of its divisors is an integer number (72022166111491).

Almost surely, 2^{144044332222981} is an apocalyptic number.

It is an amenable number.

144044332222981 is a deficient number, since it is larger than the sum of its proper divisors (1).

144044332222981 is an equidigital number, since it uses as much as digits as its factorization.

144044332222981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 49.

The spelling of 144044332222981 in words is "one hundred forty-four trillion, forty-four billion, three hundred thirty-two million, two hundred twenty-two thousand, nine hundred eighty-one".