144603566773 has 2 divisors, whose sum is σ = 144603566774. Its totient is φ = 144603566772.

The previous prime is 144603566729. The next prime is 144603566827. The reversal of 144603566773 is 377665306441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144599949169 + 3617604 = 380263^2 + 1902^2 .

It is an emirp because it is prime and its reverse (377665306441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144603566773 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144603566773.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144603566273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72301783386 + 72301783387.

It is an arithmetic number, because the mean of its divisors is an integer number (72301783387).

Almost surely, 2^144603566773 is an apocalyptic number.

It is an amenable number.

144603566773 is a deficient number, since it is larger than the sum of its proper divisors (1).

144603566773 is an equidigital number, since it uses as much as digits as its factorization.

144603566773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7620480, while the sum is 52.

The spelling of 144603566773 in words is "one hundred forty-four billion, six hundred three million, five hundred sixty-six thousand, seven hundred seventy-three".