142323545142089 has 2 divisors, whose sum is σ = 142323545142090. Its totient is φ = 142323545142088.

The previous prime is 142323545142049. The next prime is 142323545142137. The reversal of 142323545142089 is 980241545323241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105397079950864 + 36926465191225 = 10266308^2 + 6076715^2 .

It is an emirp because it is prime and its reverse (980241545323241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142323545142089 - 2³⁶ = 142254825665353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142323545142089.

It is not a weakly prime, because it can be changed into another prime (142323545142029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71161772571044 + 71161772571045.

It is an arithmetic number, because the mean of its divisors is an integer number (71161772571045).

Almost surely, 2^{142323545142089} is an apocalyptic number.

It is an amenable number.

142323545142089 is a deficient number, since it is larger than the sum of its proper divisors (1).

142323545142089 is an equidigital number, since it uses as much as digits as its factorization.

142323545142089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 142323545142089 in words is "one hundred forty-two trillion, three hundred twenty-three billion, five hundred forty-five million, one hundred forty-two thousand, eighty-nine".