243255432 has 32 divisors (see below), whose sum is σ = 695016000. Its totient is φ = 69501504.

The previous prime is 243255401. The next prime is 243255437. The reversal of 243255432 is 234552342.

It is a self number, because there is not a number n which added to its sum of digits gives 243255432.

It is not an unprimeable number, because it can be changed into a prime (243255437) 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, 723807 + ... + 724142.

It is an arithmetic number, because the mean of its divisors is an integer number (21719250).

Almost surely, 2^243255432 is an apocalyptic number.

It is an amenable number.

243255432 is an abundant number, since it is smaller than the sum of its proper divisors (451760568).

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

243255432 is a wasteful number, since it uses less digits than its factorization.

243255432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447965 (or 1447961 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 243255432 is about 15596.6481014351. The cubic root of 243255432 is about 624.2437205420.

The spelling of 243255432 in words is "two hundred forty-three million, two hundred fifty-five thousand, four hundred thirty-two".