144317297 has 2 divisors, whose sum is σ = 144317298. Its totient is φ = 144317296.

The previous prime is 144317291. The next prime is 144317321. The reversal of 144317297 is 792713441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128958736 + 15358561 = 11356^2 + 3919^2 .

It is a cyclic number.

It is not a de Polignac number, because 144317297 - 2²⁶ = 77208433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144317297.

It is not a weakly prime, because it can be changed into another prime (144317291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72158648 + 72158649.

It is an arithmetic number, because the mean of its divisors is an integer number (72158649).

Almost surely, 2^144317297 is an apocalyptic number.

It is an amenable number.

144317297 is a deficient number, since it is larger than the sum of its proper divisors (1).

144317297 is an equidigital number, since it uses as much as digits as its factorization.

144317297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 38.

The square root of 144317297 is about 12013.2134335489. The cubic root of 144317297 is about 524.5329748447.

The spelling of 144317297 in words is "one hundred forty-four million, three hundred seventeen thousand, two hundred ninety-seven".