143132228 has 6 divisors (see below), whose sum is σ = 250481406. Its totient is φ = 71566112.

The previous prime is 143132221. The next prime is 143132233. The reversal of 143132228 is 822231341.

It can be written as a sum of positive squares in only one way, i.e., 135303424 + 7828804 = 11632^2 + 2798^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143132197 and 143132206.

It is not an unprimeable number, because it can be changed into a prime (143132221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17891525 + ... + 17891532.

It is an arithmetic number, because the mean of its divisors is an integer number (41746901).

Almost surely, 2^143132228 is an apocalyptic number.

It is an amenable number.

143132228 is a deficient number, since it is larger than the sum of its proper divisors (107349178).

143132228 is a wasteful number, since it uses less digits than its factorization.

143132228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35783061 (or 35783059 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 143132228 is about 11963.7881960523. The cubic root of 143132228 is about 523.0932836445.

Adding to 143132228 its reverse (822231341), we get a palindrome (965363569).

The spelling of 143132228 in words is "one hundred forty-three million, one hundred thirty-two thousand, two hundred twenty-eight".