243204150 has 192 divisors, whose sum is σ = 732096000. Its totient is φ = 53343360.

The previous prime is 243204119. The next prime is 243204151. The reversal of 243204150 is 51402342.

243204150 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243204151) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1491969 + ... + 1492131.

It is an arithmetic number, because the mean of its divisors is an integer number (3813000).

Almost surely, 2^243204150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243204150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366048000).

243204150 is an abundant number, since it is smaller than the sum of its proper divisors (488891850).

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

243204150 is a wasteful number, since it uses less digits than its factorization.

243204150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 209 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 243204150 is about 15595.0040076943. The cubic root of 243204150 is about 624.1998507216.

Adding to 243204150 its reverse (51402342), we get a palindrome (294606492).

The spelling of 243204150 in words is "two hundred forty-three million, two hundred four thousand, one hundred fifty".