142112299 has 12 divisors (see below), whose sum is σ = 175039704. Its totient is φ = 114644544.

The previous prime is 142112287. The next prime is 142112323. The reversal of 142112299 is 992211241.

It is a happy number.

142112299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142112299 - 2⁷ = 142112171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142112299.

It is not an unprimeable number, because it can be changed into a prime (142112219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84469 + ... + 86134.

It is an arithmetic number, because the mean of its divisors is an integer number (14586642).

Almost surely, 2^142112299 is an apocalyptic number.

142112299 is a deficient number, since it is larger than the sum of its proper divisors (32927405).

142112299 is a wasteful number, since it uses less digits than its factorization.

142112299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170634 (or 170627 counting only the distinct ones).

The product of its digits is 2592, while the sum is 31.

The square root of 142112299 is about 11921.0863179494. The cubic root of 142112299 is about 521.8478378491.

The spelling of 142112299 in words is "one hundred forty-two million, one hundred twelve thousand, two hundred ninety-nine".