143224232 has 16 divisors (see below), whose sum is σ = 273613140. Its totient is φ = 70260736.

The previous prime is 143224231. The next prime is 143224241. The reversal of 143224232 is 232422341.

It can be written as a sum of positive squares in 2 ways, for example, as 128278276 + 14945956 = 11326^2 + 3866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 143224198 and 143224207.

It is not an unprimeable number, because it can be changed into a prime (143224231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168473 + ... + 169320.

Almost surely, 2^143224232 is an apocalyptic number.

It is an amenable number.

143224232 is a deficient number, since it is larger than the sum of its proper divisors (130388908).

143224232 is a wasteful number, since it uses less digits than its factorization.

143224232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337852 (or 337848 counting only the distinct ones).

The product of its digits is 2304, while the sum is 23.

The square root of 143224232 is about 11967.6326815290. The cubic root of 143224232 is about 523.2053393919.

Adding to 143224232 its reverse (232422341), we get a palindrome (375646573).

The spelling of 143224232 in words is "one hundred forty-three million, two hundred twenty-four thousand, two hundred thirty-two".