143244432 has 60 divisors (see below), whose sum is σ = 405426060. Its totient is φ = 47207424.

The previous prime is 143244377. The next prime is 143244449. The reversal of 143244432 is 234442341.

It is a happy number.

143244432 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 78216336 + 65028096 = 8844^2 + 8064^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 143244396 and 143244405.

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 11 ways as a sum of consecutive naturals, for example, 7228 + ... + 18404.

It is an arithmetic number, because the mean of its divisors is an integer number (6757101).

Almost surely, 2^143244432 is an apocalyptic number.

143244432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143244432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202713030).

143244432 is an abundant number, since it is smaller than the sum of its proper divisors (262181628).

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

143244432 is a wasteful number, since it uses less digits than its factorization.

143244432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11280 (or 11271 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 143244432 is about 11968.4765947885. The cubic root of 143244432 is about 523.2299354417.

Adding to 143244432 its reverse (234442341), we get a palindrome (377686773).

The spelling of 143244432 in words is "one hundred forty-three million, two hundred forty-four thousand, four hundred thirty-two".