144602413166681 has 2 divisors, whose sum is σ = 144602413166682. Its totient is φ = 144602413166680.

The previous prime is 144602413166609. The next prime is 144602413166707. The reversal of 144602413166681 is 186661314206441.

144602413166681 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., 132538600276681 + 12063812890000 = 11512541^2 + 3473300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144602413166681 is a prime.

It is a super-2 number, since 2×144602413166681² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144602413166381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72301206583340 + 72301206583341.

It is an arithmetic number, because the mean of its divisors is an integer number (72301206583341).

Almost surely, 2^{144602413166681} is an apocalyptic number.

It is an amenable number.

144602413166681 is a deficient number, since it is larger than the sum of its proper divisors (1).

144602413166681 is an equidigital number, since it uses as much as digits as its factorization.

144602413166681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 144602413166681 in words is "one hundred forty-four trillion, six hundred two billion, four hundred thirteen million, one hundred sixty-six thousand, six hundred eighty-one".