142112199 has 4 divisors (see below), whose sum is σ = 189482936. Its totient is φ = 94741464.

The previous prime is 142112189. The next prime is 142112207. The reversal of 142112199 is 991211241.

It is a happy number.

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

It is not a de Polignac number, because 142112199 - 2⁵ = 142112167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142112149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23685364 + ... + 23685369.

It is an arithmetic number, because the mean of its divisors is an integer number (47370734).

Almost surely, 2^142112199 is an apocalyptic number.

142112199 is a deficient number, since it is larger than the sum of its proper divisors (47370737).

142112199 is an equidigital number, since it uses as much as digits as its factorization.

142112199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47370736.

The product of its digits is 1296, while the sum is 30.

The square root of 142112199 is about 11921.0821237000. The cubic root of 142112199 is about 521.8477154464.

It can be divided in two parts, 142112 and 199, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 142112199 in words is "one hundred forty-two million, one hundred twelve thousand, one hundred ninety-nine".