144794317 has 2 divisors, whose sum is σ = 144794318. Its totient is φ = 144794316.

The previous prime is 144794267. The next prime is 144794323. The reversal of 144794317 is 713497441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77898276 + 66896041 = 8826^2 + 8179^2 .

It is a cyclic number.

It is not a de Polignac number, because 144794317 - 2¹⁵ = 144761549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144794317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144794017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72397158 + 72397159.

It is an arithmetic number, because the mean of its divisors is an integer number (72397159).

Almost surely, 2^144794317 is an apocalyptic number.

It is an amenable number.

144794317 is a deficient number, since it is larger than the sum of its proper divisors (1).

144794317 is an equidigital number, since it uses as much as digits as its factorization.

144794317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84672, while the sum is 40.

The square root of 144794317 is about 12033.0510262360. The cubic root of 144794317 is about 525.1102619505.

The spelling of 144794317 in words is "one hundred forty-four million, seven hundred ninety-four thousand, three hundred seventeen".