142533440442517 has 2 divisors, whose sum is σ = 142533440442518. Its totient is φ = 142533440442516.

The previous prime is 142533440442511. The next prime is 142533440442559. The reversal of 142533440442517 is 715244044335241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140311629593041 + 2221810849476 = 11845321^2 + 1490574^2 .

It is an emirp because it is prime and its reverse (715244044335241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142533440442517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142533440442511) 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, 71266720221258 + 71266720221259.

It is an arithmetic number, because the mean of its divisors is an integer number (71266720221259).

Almost surely, 2^{142533440442517} is an apocalyptic number.

It is an amenable number.

142533440442517 is a deficient number, since it is larger than the sum of its proper divisors (1).

142533440442517 is an equidigital number, since it uses as much as digits as its factorization.

142533440442517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6451200, while the sum is 49.

Adding to 142533440442517 its reverse (715244044335241), we get a palindrome (857777484777758).

The spelling of 142533440442517 in words is "one hundred forty-two trillion, five hundred thirty-three billion, four hundred forty million, four hundred forty-two thousand, five hundred seventeen".