142842423029 has 2 divisors, whose sum is σ = 142842423030. Its totient is φ = 142842423028.

The previous prime is 142842423019. The next prime is 142842423043. The reversal of 142842423029 is 920324248241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142842423025 + 4 = 377945^2 + 2^2 .

It is an emirp because it is prime and its reverse (920324248241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142842423029 - 2⁸ = 142842422773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142842423019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71421211514 + 71421211515.

It is an arithmetic number, because the mean of its divisors is an integer number (71421211515).

Almost surely, 2^142842423029 is an apocalyptic number.

It is an amenable number.

142842423029 is a deficient number, since it is larger than the sum of its proper divisors (1).

142842423029 is an equidigital number, since it uses as much as digits as its factorization.

142842423029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 41.

The spelling of 142842423029 in words is "one hundred forty-two billion, eight hundred forty-two million, four hundred twenty-three thousand, twenty-nine".