142564341251 has 2 divisors, whose sum is σ = 142564341252. Its totient is φ = 142564341250.

The previous prime is 142564341229. The next prime is 142564341319. The reversal of 142564341251 is 152143465241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142564341251 - 2⁶ = 142564341187 is a prime.

It is not a weakly prime, because it can be changed into another prime (142564311251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71282170625 + 71282170626.

It is an arithmetic number, because the mean of its divisors is an integer number (71282170626).

Almost surely, 2^142564341251 is an apocalyptic number.

142564341251 is a deficient number, since it is larger than the sum of its proper divisors (1).

142564341251 is an equidigital number, since it uses as much as digits as its factorization.

142564341251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 115200, while the sum is 38.

The spelling of 142564341251 in words is "one hundred forty-two billion, five hundred sixty-four million, three hundred forty-one thousand, two hundred fifty-one".