143432224 has 48 divisors (see below), whose sum is σ = 306015192. Its totient is φ = 65783808.

The previous prime is 143432153. The next prime is 143432243. The reversal of 143432224 is 422234341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 136142224 + 7290000 = 11668^2 + 2700^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70972 + ... + 72964.

Almost surely, 2^143432224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143432224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153007596).

143432224 is an abundant number, since it is smaller than the sum of its proper divisors (162582968).

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

143432224 is a wasteful number, since it uses less digits than its factorization.

143432224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 2181 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 143432224 is about 11976.3193010207. The cubic root of 143432224 is about 523.4584853112.

Adding to 143432224 its reverse (422234341), we get a palindrome (565666565).

The spelling of 143432224 in words is "one hundred forty-three million, four hundred thirty-two thousand, two hundred twenty-four".