143213204 has 6 divisors (see below), whose sum is σ = 250623114. Its totient is φ = 71606600.

The previous prime is 143213167. The next prime is 143213209. The reversal of 143213204 is 402312341.

It can be written as a sum of positive squares in only one way, i.e., 140659600 + 2553604 = 11860^2 + 1598^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143213209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17901647 + ... + 17901654.

It is an arithmetic number, because the mean of its divisors is an integer number (41770519).

Almost surely, 2^143213204 is an apocalyptic number.

It is an amenable number.

143213204 is a deficient number, since it is larger than the sum of its proper divisors (107409910).

143213204 is a wasteful number, since it uses less digits than its factorization.

143213204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35803305 (or 35803303 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 143213204 is about 11967.1719299089. The cubic root of 143213204 is about 523.1919104340.

Adding to 143213204 its reverse (402312341), we get a palindrome (545525545).

The spelling of 143213204 in words is "one hundred forty-three million, two hundred thirteen thousand, two hundred four".