144867368850769 has 2 divisors, whose sum is σ = 144867368850770. Its totient is φ = 144867368850768.

The previous prime is 144867368850727. The next prime is 144867368850781. The reversal of 144867368850769 is 967058863768441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104610183879744 + 40257184971025 = 10227912^2 + 6344855^2 .

It is an emirp because it is prime and its reverse (967058863768441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144867368850769 - 2¹⁹ = 144867368326481 is a prime.

It is a super-2 number, since 2×144867368850769² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144867368850692 and 144867368850701.

It is not a weakly prime, because it can be changed into another prime (144867368850709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72433684425384 + 72433684425385.

It is an arithmetic number, because the mean of its divisors is an integer number (72433684425385).

Almost surely, 2^{144867368850769} is an apocalyptic number.

It is an amenable number.

144867368850769 is a deficient number, since it is larger than the sum of its proper divisors (1).

144867368850769 is an equidigital number, since it uses as much as digits as its factorization.

144867368850769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11705057280, while the sum is 82.

The spelling of 144867368850769 in words is "one hundred forty-four trillion, eight hundred sixty-seven billion, three hundred sixty-eight million, eight hundred fifty thousand, seven hundred sixty-nine".