142225819427 has 2 divisors, whose sum is σ = 142225819428. Its totient is φ = 142225819426.

The previous prime is 142225819403. The next prime is 142225819433. The reversal of 142225819427 is 724918522241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 142225819427 - 2²⁴ = 142209042211 is a prime.

It is a super-2 number, since 2×142225819427² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142285819427) 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, 71112909713 + 71112909714.

It is an arithmetic number, because the mean of its divisors is an integer number (71112909714).

Almost surely, 2^142225819427 is an apocalyptic number.

142225819427 is a deficient number, since it is larger than the sum of its proper divisors (1).

142225819427 is an equidigital number, since it uses as much as digits as its factorization.

142225819427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 645120, while the sum is 47.

The spelling of 142225819427 in words is "one hundred forty-two billion, two hundred twenty-five million, eight hundred nineteen thousand, four hundred twenty-seven".