144777773773 has 2 divisors, whose sum is σ = 144777773774. Its totient is φ = 144777773772.

The previous prime is 144777773597. The next prime is 144777773821. The reversal of 144777773773 is 377377777441.

144777773773 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., 131857586884 + 12920186889 = 363122^2 + 113667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144777773773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144777774773) 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, 72388886886 + 72388886887.

It is an arithmetic number, because the mean of its divisors is an integer number (72388886887).

Almost surely, 2^144777773773 is an apocalyptic number.

It is an amenable number.

144777773773 is a deficient number, since it is larger than the sum of its proper divisors (1).

144777773773 is an equidigital number, since it uses as much as digits as its factorization.

144777773773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 118590192, while the sum is 64.

The spelling of 144777773773 in words is "one hundred forty-four billion, seven hundred seventy-seven million, seven hundred seventy-three thousand, seven hundred seventy-three".