144605077705549 has 2 divisors, whose sum is σ = 144605077705550. Its totient is φ = 144605077705548.

The previous prime is 144605077705523. The next prime is 144605077705559. The reversal of 144605077705549 is 945507770506441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 116833832460900 + 27771245244649 = 10808970^2 + 5269843^2 .

It is an emirp because it is prime and its reverse (945507770506441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144605077705549 - 2¹¹ = 144605077703501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144605077705559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72302538852774 + 72302538852775.

It is an arithmetic number, because the mean of its divisors is an integer number (72302538852775).

Almost surely, 2^{144605077705549} is an apocalyptic number.

It is an amenable number.

144605077705549 is a deficient number, since it is larger than the sum of its proper divisors (1).

144605077705549 is an equidigital number, since it uses as much as digits as its factorization.

144605077705549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176000, while the sum is 64.

The spelling of 144605077705549 in words is "one hundred forty-four trillion, six hundred five billion, seventy-seven million, seven hundred five thousand, five hundred forty-nine".