144240403054477 has 2 divisors, whose sum is σ = 144240403054478. Its totient is φ = 144240403054476.

The previous prime is 144240403054441. The next prime is 144240403054499. The reversal of 144240403054477 is 774450304042441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123618396061161 + 20622006993316 = 11118381^2 + 4541146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144240403054477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144240403054477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144240403054427) 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, 72120201527238 + 72120201527239.

It is an arithmetic number, because the mean of its divisors is an integer number (72120201527239).

Almost surely, 2^{144240403054477} is an apocalyptic number.

It is an amenable number.

144240403054477 is a deficient number, since it is larger than the sum of its proper divisors (1).

144240403054477 is an equidigital number, since it uses as much as digits as its factorization.

144240403054477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6021120, while the sum is 49.

The spelling of 144240403054477 in words is "one hundred forty-four trillion, two hundred forty billion, four hundred three million, fifty-four thousand, four hundred seventy-seven".