142442428129 has 2 divisors, whose sum is σ = 142442428130. Its totient is φ = 142442428128.

The previous prime is 142442428111. The next prime is 142442428151. The reversal of 142442428129 is 921824244241.

142442428129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 123576856225 + 18865571904 = 351535^2 + 137352^2 .

It is a cyclic number.

It is not a de Polignac number, because 142442428129 - 2³⁷ = 5003474657 is a prime.

It is not a weakly prime, because it can be changed into another prime (142442428159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71221214064 + 71221214065.

It is an arithmetic number, because the mean of its divisors is an integer number (71221214065).

Almost surely, 2^142442428129 is an apocalyptic number.

It is an amenable number.

142442428129 is a deficient number, since it is larger than the sum of its proper divisors (1).

142442428129 is an equidigital number, since it uses as much as digits as its factorization.

142442428129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 43.

The spelling of 142442428129 in words is "one hundred forty-two billion, four hundred forty-two million, four hundred twenty-eight thousand, one hundred twenty-nine".