243143202 has 24 divisors (see below), whose sum is σ = 498457008. Its totient is φ = 79067680.

The previous prime is 243143111. The next prime is 243143203. The reversal of 243143202 is 202341342.

It is not an unprimeable number, because it can be changed into a prime (243143203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1968 + ... + 22139.

It is an arithmetic number, because the mean of its divisors is an integer number (20769042).

Almost surely, 2^243143202 is an apocalyptic number.

243143202 is an abundant number, since it is smaller than the sum of its proper divisors (255313806).

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

243143202 is a wasteful number, since it uses less digits than its factorization.

243143202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24194 (or 24153 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 243143202 is about 15593.0497979068. The cubic root of 243143202 is about 624.1477039814.

Adding to 243143202 its reverse (202341342), we get a palindrome (445484544).

The spelling of 243143202 in words is "two hundred forty-three million, one hundred forty-three thousand, two hundred two".