143143194 has 16 divisors (see below), whose sum is σ = 286875360. Its totient is φ = 47616240.

The previous prime is 143143193. The next prime is 143143199. The reversal of 143143194 is 491341341.

143143194 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (143143193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21349 + ... + 27240.

It is an arithmetic number, because the mean of its divisors is an integer number (17929710).

Almost surely, 2^143143194 is an apocalyptic number.

143143194 is an abundant number, since it is smaller than the sum of its proper divisors (143732166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143143194 is a wasteful number, since it uses less digits than its factorization.

143143194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49085.

The product of its digits is 5184, while the sum is 30.

The square root of 143143194 is about 11964.2464869293. The cubic root of 143143194 is about 523.1066421419.

The spelling of 143143194 in words is "one hundred forty-three million, one hundred forty-three thousand, one hundred ninety-four".