142429867 has 2 divisors, whose sum is σ = 142429868. Its totient is φ = 142429866.

The previous prime is 142429849. The next prime is 142429879. The reversal of 142429867 is 768924241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142429867 is a prime.

It is not a weakly prime, because it can be changed into another prime (142429667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71214933 + 71214934.

It is an arithmetic number, because the mean of its divisors is an integer number (71214934).

Almost surely, 2^142429867 is an apocalyptic number.

142429867 is a deficient number, since it is larger than the sum of its proper divisors (1).

142429867 is an equidigital number, since it uses as much as digits as its factorization.

142429867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 142429867 is about 11934.3984766724. The cubic root of 142429867 is about 522.2362604462.

The spelling of 142429867 in words is "one hundred forty-two million, four hundred twenty-nine thousand, eight hundred sixty-seven".