142363340236517 has 2 divisors, whose sum is σ = 142363340236518. Its totient is φ = 142363340236516.

The previous prime is 142363340236463. The next prime is 142363340236631. The reversal of 142363340236517 is 715632043363241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141670315621156 + 693024615361 = 11902534^2 + 832481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142363340236517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142363340236417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71181670118258 + 71181670118259.

It is an arithmetic number, because the mean of its divisors is an integer number (71181670118259).

Almost surely, 2^{142363340236517} is an apocalyptic number.

It is an amenable number.

142363340236517 is a deficient number, since it is larger than the sum of its proper divisors (1).

142363340236517 is an equidigital number, since it uses as much as digits as its factorization.

142363340236517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 50.

Adding to 142363340236517 its reverse (715632043363241), we get a palindrome (857995383599758).

The spelling of 142363340236517 in words is "one hundred forty-two trillion, three hundred sixty-three billion, three hundred forty million, two hundred thirty-six thousand, five hundred seventeen".