142432019 has 2 divisors, whose sum is σ = 142432020. Its totient is φ = 142432018.

The previous prime is 142432007. The next prime is 142432033. The reversal of 142432019 is 910234241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142432019 - 2²⁰ = 141383443 is a prime.

It is a super-2 number, since 2×142432019² = 40573760072832722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142432219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71216009 + 71216010.

It is an arithmetic number, because the mean of its divisors is an integer number (71216010).

Almost surely, 2^142432019 is an apocalyptic number.

142432019 is a deficient number, since it is larger than the sum of its proper divisors (1).

142432019 is an equidigital number, since it uses as much as digits as its factorization.

142432019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 142432019 is about 11934.4886358821. The cubic root of 142432019 is about 522.2388906220.

The spelling of 142432019 in words is "one hundred forty-two million, four hundred thirty-two thousand, nineteen".