143243230 has 16 divisors (see below), whose sum is σ = 277671744. Its totient is φ = 52889760.

The previous prime is 143243203. The next prime is 143243239. The reversal of 143243230 is 32342341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143243239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550806 + ... + 551065.

It is an arithmetic number, because the mean of its divisors is an integer number (17354484).

Almost surely, 2^143243230 is an apocalyptic number.

143243230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

143243230 is a deficient number, since it is larger than the sum of its proper divisors (134428514).

143243230 is a wasteful number, since it uses less digits than its factorization.

143243230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101891.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 143243230 is about 11968.4263794369. The cubic root of 143243230 is about 523.2284719197.

Adding to 143243230 its reverse (32342341), we get a palindrome (175585571).

The spelling of 143243230 in words is "one hundred forty-three million, two hundred forty-three thousand, two hundred thirty".