142205412571 has 2 divisors, whose sum is σ = 142205412572. Its totient is φ = 142205412570.

The previous prime is 142205412553. The next prime is 142205412637. The reversal of 142205412571 is 175214502241.

It is a weak prime.

It is an emirp because it is prime and its reverse (175214502241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142205412571 is a prime.

It is not a weakly prime, because it can be changed into another prime (142205412521) 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, 71102706285 + 71102706286.

It is an arithmetic number, because the mean of its divisors is an integer number (71102706286).

Almost surely, 2^142205412571 is an apocalyptic number.

142205412571 is a deficient number, since it is larger than the sum of its proper divisors (1).

142205412571 is an equidigital number, since it uses as much as digits as its factorization.

142205412571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 34.

The spelling of 142205412571 in words is "one hundred forty-two billion, two hundred five million, four hundred twelve thousand, five hundred seventy-one".