243445552 has 40 divisors (see below), whose sum is σ = 544420512. Its totient is φ = 103296000.

The previous prime is 243445541. The next prime is 243445597. The reversal of 243445552 is 255544342.

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, 552 + ... + 22072.

Almost surely, 2^243445552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243445552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272210256).

243445552 is an abundant number, since it is smaller than the sum of its proper divisors (300974960).

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

243445552 is a wasteful number, since it uses less digits than its factorization.

243445552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21637 (or 21631 counting only the distinct ones).

The product of its digits is 96000, while the sum is 34.

The square root of 243445552 is about 15602.7418103358. The cubic root of 243445552 is about 624.4063072649.

Adding to 243445552 its reverse (255544342), we get a palindrome (498989894).

The spelling of 243445552 in words is "two hundred forty-three million, four hundred forty-five thousand, five hundred fifty-two".