143221014242539 has 2 divisors, whose sum is σ = 143221014242540. Its totient is φ = 143221014242538.

The previous prime is 143221014242401. The next prime is 143221014242563. The reversal of 143221014242539 is 935242410122341.

It is a strong prime.

It is an emirp because it is prime and its reverse (935242410122341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143221014242539 - 2²⁹ = 143220477371627 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 143221014242495 and 143221014242504.

It is not a weakly prime, because it can be changed into another prime (143221014242039) 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, 71610507121269 + 71610507121270.

It is an arithmetic number, because the mean of its divisors is an integer number (71610507121270).

Almost surely, 2^{143221014242539} is an apocalyptic number.

143221014242539 is a deficient number, since it is larger than the sum of its proper divisors (1).

143221014242539 is an equidigital number, since it uses as much as digits as its factorization.

143221014242539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 143221014242539 in words is "one hundred forty-three trillion, two hundred twenty-one billion, fourteen million, two hundred forty-two thousand, five hundred thirty-nine".