143203134 has 16 divisors (see below), whose sum is σ = 287325072. Its totient is φ = 47581248.

The previous prime is 143203103. The next prime is 143203139. The reversal of 143203134 is 431302341.

143203134 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 143203134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143203139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36249 + ... + 40004.

It is an arithmetic number, because the mean of its divisors is an integer number (17957817).

Almost surely, 2^143203134 is an apocalyptic number.

143203134 is an abundant number, since it is smaller than the sum of its proper divisors (144121938).

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

143203134 is a wasteful number, since it uses less digits than its factorization.

143203134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76571.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 143203134 is about 11966.7511881880. The cubic root of 143203134 is about 523.1796474445.

Adding to 143203134 its reverse (431302341), we get a palindrome (574505475).

The spelling of 143203134 in words is "one hundred forty-three million, two hundred three thousand, one hundred thirty-four".