142321355220029 has 2 divisors, whose sum is σ = 142321355220030. Its totient is φ = 142321355220028.

The previous prime is 142321355220017. The next prime is 142321355220071. The reversal of 142321355220029 is 920022553123241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102806012848900 + 39515342371129 = 10139330^2 + 6286123^2 .

It is an emirp because it is prime and its reverse (920022553123241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142321355220029 - 2⁸ = 142321355219773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142321355220229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71160677610014 + 71160677610015.

It is an arithmetic number, because the mean of its divisors is an integer number (71160677610015).

Almost surely, 2^{142321355220029} is an apocalyptic number.

It is an amenable number.

142321355220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

142321355220029 is an equidigital number, since it uses as much as digits as its factorization.

142321355220029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 142321355220029 in words is "one hundred forty-two trillion, three hundred twenty-one billion, three hundred fifty-five million, two hundred twenty thousand, twenty-nine".