243741200 has 120 divisors (see below), whose sum is σ = 617008128. Its totient is φ = 92413440.

The previous prime is 243741193. The next prime is 243741217. The reversal of 243741200 is 2147342.

It is a nialpdrome in base 16.

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 23 ways as a sum of consecutive naturals, for example, 636209 + ... + 636591.

Almost surely, 2^243741200 is an apocalyptic number.

243741200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243741200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (308504064).

243741200 is an abundant number, since it is smaller than the sum of its proper divisors (373266928).

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

243741200 is a wasteful number, since it uses less digits than its factorization.

243741200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 243741200 is about 15612.2131679016. The cubic root of 243741200 is about 624.6589712862.

Adding to 243741200 its reverse (2147342), we get a palindrome (245888542).

The spelling of 243741200 in words is "two hundred forty-three million, seven hundred forty-one thousand, two hundred".