243355244 has 24 divisors (see below), whose sum is σ = 467010768. Its totient is φ = 110039040.

The previous prime is 243355243. The next prime is 243355247. The reversal of 243355244 is 442553342.

It is a self number, because there is not a number n which added to its sum of digits gives 243355244.

It is not an unprimeable number, because it can be changed into a prime (243355243) 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 7 ways as a sum of consecutive naturals, for example, 5837 + ... + 22820.

It is an arithmetic number, because the mean of its divisors is an integer number (19458782).

Almost surely, 2^243355244 is an apocalyptic number.

It is an amenable number.

243355244 is a deficient number, since it is larger than the sum of its proper divisors (223655524).

243355244 is a wasteful number, since it uses less digits than its factorization.

243355244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28865 (or 28863 counting only the distinct ones).

The product of its digits is 57600, while the sum is 32.

The square root of 243355244 is about 15599.8475633578. The cubic root of 243355244 is about 624.3290882750.

The spelling of 243355244 in words is "two hundred forty-three million, three hundred fifty-five thousand, two hundred forty-four".