199143303 has 8 divisors (see below), whose sum is σ = 265791600. Its totient is φ = 132628608.

The previous prime is 199143299. The next prime is 199143331. The reversal of 199143303 is 303341991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 199143303 - 2² = 199143299 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199143103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29868 + ... + 35921.

It is an arithmetic number, because the mean of its divisors is an integer number (33223950).

Almost surely, 2^199143303 is an apocalyptic number.

199143303 is a deficient number, since it is larger than the sum of its proper divisors (66648297).

199143303 is a wasteful number, since it uses less digits than its factorization.

199143303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66801.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 199143303 is about 14111.8143057511. The cubic root of 199143303 is about 583.9673534872.

The spelling of 199143303 in words is "one hundred ninety-nine million, one hundred forty-three thousand, three hundred three".