142233929 has 2 divisors, whose sum is σ = 142233930. Its totient is φ = 142233928.

The previous prime is 142233907. The next prime is 142233941. The reversal of 142233929 is 929332241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81938704 + 60295225 = 9052^2 + 7765^2 .

It is an emirp because it is prime and its reverse (929332241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142233929 - 2²⁰ = 141185353 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142233979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71116964 + 71116965.

It is an arithmetic number, because the mean of its divisors is an integer number (71116965).

Almost surely, 2^142233929 is an apocalyptic number.

It is an amenable number.

142233929 is a deficient number, since it is larger than the sum of its proper divisors (1).

142233929 is an equidigital number, since it uses as much as digits as its factorization.

142233929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23328, while the sum is 35.

The square root of 142233929 is about 11926.1866914785. The cubic root of 142233929 is about 521.9966737896.

The spelling of 142233929 in words is "one hundred forty-two million, two hundred thirty-three thousand, nine hundred twenty-nine".