144001442412221 has 2 divisors, whose sum is σ = 144001442412222. Its totient is φ = 144001442412220.

The previous prime is 144001442412137. The next prime is 144001442412229. The reversal of 144001442412221 is 122214244100441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143221391340196 + 780051072025 = 11967514^2 + 883205^2 .

It is a cyclic number.

It is not a de Polignac number, because 144001442412221 - 2³⁰ = 144000368670397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144001442412229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72000721206110 + 72000721206111.

It is an arithmetic number, because the mean of its divisors is an integer number (72000721206111).

Almost surely, 2^{144001442412221} is an apocalyptic number.

It is an amenable number.

144001442412221 is a deficient number, since it is larger than the sum of its proper divisors (1).

144001442412221 is an equidigital number, since it uses as much as digits as its factorization.

144001442412221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 144001442412221 its reverse (122214244100441), we get a palindrome (266215686512662).

The spelling of 144001442412221 in words is "one hundred forty-four trillion, one billion, four hundred forty-two million, four hundred twelve thousand, two hundred twenty-one".