142242125029 has 2 divisors, whose sum is σ = 142242125030. Its totient is φ = 142242125028.

The previous prime is 142242124979. The next prime is 142242125033. The reversal of 142242125029 is 920521242241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125317416004 + 16924709025 = 354002^2 + 130095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142242125029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142242124985 and 142242125003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142242125089) 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, 71121062514 + 71121062515.

It is an arithmetic number, because the mean of its divisors is an integer number (71121062515).

Almost surely, 2^142242125029 is an apocalyptic number.

It is an amenable number.

142242125029 is a deficient number, since it is larger than the sum of its proper divisors (1).

142242125029 is an equidigital number, since it uses as much as digits as its factorization.

142242125029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 142242125029 in words is "one hundred forty-two billion, two hundred forty-two million, one hundred twenty-five thousand, twenty-nine".