243143432 has 32 divisors (see below), whose sum is σ = 521544000. Its totient is φ = 104099904.

The previous prime is 243143429. The next prime is 243143441. The reversal of 243143432 is 234341342.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85343 + ... + 88145.

It is an arithmetic number, because the mean of its divisors is an integer number (16298250).

Almost surely, 2^243143432 is an apocalyptic number.

It is an amenable number.

243143432 is an abundant number, since it is smaller than the sum of its proper divisors (278400568).

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

243143432 is a wasteful number, since it uses less digits than its factorization.

243143432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4365 (or 4361 counting only the distinct ones).

The product of its digits is 6912, while the sum is 26.

The square root of 243143432 is about 15593.0571729857. The cubic root of 243143432 is about 624.1479007844.

Adding to 243143432 its reverse (234341342), we get a palindrome (477484774).

The spelling of 243143432 in words is "two hundred forty-three million, one hundred forty-three thousand, four hundred thirty-two".