142429699 has 4 divisors (see below), whose sum is σ = 142997400. Its totient is φ = 141862000.

The previous prime is 142429697. The next prime is 142429753. The reversal of 142429699 is 996924241.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142429699 - 2¹ = 142429697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142429691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283474 + ... + 283975.

It is an arithmetic number, because the mean of its divisors is an integer number (35749350).

Almost surely, 2^142429699 is an apocalyptic number.

142429699 is a deficient number, since it is larger than the sum of its proper divisors (567701).

142429699 is an equidigital number, since it uses as much as digits as its factorization.

142429699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567700.

The product of its digits is 279936, while the sum is 46.

The square root of 142429699 is about 11934.3914381924. The cubic root of 142429699 is about 522.2360551154.

The spelling of 142429699 in words is "one hundred forty-two million, four hundred twenty-nine thousand, six hundred ninety-nine".