243453200 has 30 divisors (see below), whose sum is σ = 584897274. Its totient is φ = 97381120.

The previous prime is 243453167. The next prime is 243453211. The reversal of 243453200 is 2354342.

It can be written as a sum of positive squares in 3 ways, for example, as 2458624 + 240994576 = 1568^2 + 15524^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303917 + ... + 304716.

Almost surely, 2^243453200 is an apocalyptic number.

243453200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243453200 is an abundant number, since it is smaller than the sum of its proper divisors (341444074).

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

243453200 is a wasteful number, since it uses less digits than its factorization.

243453200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608651 (or 608640 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 243453200 is about 15602.9868935406. The cubic root of 243453200 is about 624.4128459062.

The spelling of 243453200 in words is "two hundred forty-three million, four hundred fifty-three thousand, two hundred".