142204199 has 4 divisors (see below), whose sum is σ = 142398936. Its totient is φ = 142009464.

The previous prime is 142204171. The next prime is 142204207. The reversal of 142204199 is 991402241.

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 142204199 - 2¹² = 142200103 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 (142204109) 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, 96269 + ... + 97734.

It is an arithmetic number, because the mean of its divisors is an integer number (35599734).

Almost surely, 2^142204199 is an apocalyptic number.

142204199 is a deficient number, since it is larger than the sum of its proper divisors (194737).

142204199 is an equidigital number, since it uses as much as digits as its factorization.

142204199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194736.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 142204199 is about 11924.9402094937. The cubic root of 142204199 is about 521.9603016839.

The spelling of 142204199 in words is "one hundred forty-two million, two hundred four thousand, one hundred ninety-nine".