144325864693 has 2 divisors, whose sum is σ = 144325864694. Its totient is φ = 144325864692.

The previous prime is 144325864673. The next prime is 144325864741. The reversal of 144325864693 is 396468523441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99567384849 + 44758479844 = 315543^2 + 211562^2 .

It is a cyclic number.

It is not a de Polignac number, because 144325864693 - 2¹³ = 144325856501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144325864673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72162932346 + 72162932347.

It is an arithmetic number, because the mean of its divisors is an integer number (72162932347).

Almost surely, 2^144325864693 is an apocalyptic number.

It is an amenable number.

144325864693 is a deficient number, since it is larger than the sum of its proper divisors (1).

144325864693 is an equidigital number, since it uses as much as digits as its factorization.

144325864693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14929920, while the sum is 55.

The spelling of 144325864693 in words is "one hundred forty-four billion, three hundred twenty-five million, eight hundred sixty-four thousand, six hundred ninety-three".