144443261565601 has 2 divisors, whose sum is σ = 144443261565602. Its totient is φ = 144443261565600.

The previous prime is 144443261565583. The next prime is 144443261565611. The reversal of 144443261565601 is 106565162344441.

144443261565601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137659065152400 + 6784196413201 = 11732820^2 + 2604649^2 .

It is a cyclic number.

It is not a de Polignac number, because 144443261565601 - 2²⁹ = 144442724694689 is a prime.

It is not a weakly prime, because it can be changed into another prime (144443261565611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72221630782800 + 72221630782801.

It is an arithmetic number, because the mean of its divisors is an integer number (72221630782801).

Almost surely, 2^{144443261565601} is an apocalyptic number.

It is an amenable number.

144443261565601 is a deficient number, since it is larger than the sum of its proper divisors (1).

144443261565601 is an equidigital number, since it uses as much as digits as its factorization.

144443261565601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8294400, while the sum is 52.

The spelling of 144443261565601 in words is "one hundred forty-four trillion, four hundred forty-three billion, two hundred sixty-one million, five hundred sixty-five thousand, six hundred one".