143170228 has 12 divisors (see below), whose sum is σ = 253980580. Its totient is φ = 70604352.

The previous prime is 143170219. The next prime is 143170231. The reversal of 143170228 is 822071341.

143170228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 96000804 + 47169424 = 9798^2 + 6868^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143170196 and 143170205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244863 + ... + 245446.

Almost surely, 2^143170228 is an apocalyptic number.

It is an amenable number.

143170228 is a deficient number, since it is larger than the sum of its proper divisors (110810352).

143170228 is a wasteful number, since it uses less digits than its factorization.

143170228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490386 (or 490384 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 143170228 is about 11965.3762164004. The cubic root of 143170228 is about 523.1395713470.

The spelling of 143170228 in words is "one hundred forty-three million, one hundred seventy thousand, two hundred twenty-eight".