144042040217 has 2 divisors, whose sum is σ = 144042040218. Its totient is φ = 144042040216.

The previous prime is 144042040189. The next prime is 144042040297. The reversal of 144042040217 is 712040240441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98104262656 + 45937777561 = 313216^2 + 214331^2 .

It is a cyclic number.

It is not a de Polignac number, because 144042040217 - 2⁸ = 144042039961 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144042040217.

It is not a weakly prime, because it can be changed into another prime (144042040297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72021020108 + 72021020109.

It is an arithmetic number, because the mean of its divisors is an integer number (72021020109).

Almost surely, 2^144042040217 is an apocalyptic number.

It is an amenable number.

144042040217 is a deficient number, since it is larger than the sum of its proper divisors (1).

144042040217 is an equidigital number, since it uses as much as digits as its factorization.

144042040217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 29.

Adding to 144042040217 its reverse (712040240441), we get a palindrome (856082280658).

The spelling of 144042040217 in words is "one hundred forty-four billion, forty-two million, forty thousand, two hundred seventeen".