144641342317 has 2 divisors, whose sum is σ = 144641342318. Its totient is φ = 144641342316.

The previous prime is 144641342309. The next prime is 144641342341. The reversal of 144641342317 is 713243146441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137684781481 + 6956560836 = 371059^2 + 83406^2 .

It is a cyclic number.

It is not a de Polignac number, because 144641342317 - 2³ = 144641342309 is a prime.

It is a super-2 number, since 2×144641342317² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144641342317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144641342357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72320671158 + 72320671159.

It is an arithmetic number, because the mean of its divisors is an integer number (72320671159).

Almost surely, 2^144641342317 is an apocalyptic number.

It is an amenable number.

144641342317 is a deficient number, since it is larger than the sum of its proper divisors (1).

144641342317 is an equidigital number, since it uses as much as digits as its factorization.

144641342317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 40.

Adding to 144641342317 its reverse (713243146441), we get a palindrome (857884488758).

The spelling of 144641342317 in words is "one hundred forty-four billion, six hundred forty-one million, three hundred forty-two thousand, three hundred seventeen".