243553244 has 12 divisors (see below), whose sum is σ = 464965368. Its totient is φ = 110706000.

The previous prime is 243553199. The next prime is 243553253. The reversal of 243553244 is 442355342.

243553244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 243553244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2767607 + ... + 2767694.

It is an arithmetic number, because the mean of its divisors is an integer number (38747114).

Almost surely, 2^243553244 is an apocalyptic number.

It is an amenable number.

243553244 is a deficient number, since it is larger than the sum of its proper divisors (221412124).

243553244 is a wasteful number, since it uses less digits than its factorization.

243553244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535316 (or 5535314 counting only the distinct ones).

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

The square root of 243553244 is about 15606.1924888808. The cubic root of 243553244 is about 624.4983657019.

The spelling of 243553244 in words is "two hundred forty-three million, five hundred fifty-three thousand, two hundred forty-four".