144303302993 has 2 divisors, whose sum is σ = 144303302994. Its totient is φ = 144303302992.

The previous prime is 144303302989. The next prime is 144303303077. The reversal of 144303302993 is 399203303441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 117699083329 + 26604219664 = 343073^2 + 163108^2 .

It is a cyclic number.

It is not a de Polignac number, because 144303302993 - 2² = 144303302989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144303302993.

It is not a weakly prime, because it can be changed into another prime (144303302903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72151651496 + 72151651497.

It is an arithmetic number, because the mean of its divisors is an integer number (72151651497).

Almost surely, 2^144303302993 is an apocalyptic number.

It is an amenable number.

144303302993 is a deficient number, since it is larger than the sum of its proper divisors (1).

144303302993 is an equidigital number, since it uses as much as digits as its factorization.

144303302993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 41.

The spelling of 144303302993 in words is "one hundred forty-four billion, three hundred three million, three hundred two thousand, nine hundred ninety-three".