243455232 has 144 divisors (see below), whose sum is σ = 710821440. Its totient is φ = 73629696.

The previous prime is 243455221. The next prime is 243455239. The reversal of 243455232 is 232554342.

It is a self number, because there is not a number n which added to its sum of digits gives 243455232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243455239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 378303 + ... + 378945.

It is an arithmetic number, because the mean of its divisors is an integer number (4936260).

Almost surely, 2^243455232 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 243455232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355410720).

243455232 is an abundant number, since it is smaller than the sum of its proper divisors (467366208).

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

243455232 is a wasteful number, since it uses less digits than its factorization.

243455232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708 (or 694 counting only the distinct ones).

The product of its digits is 28800, while the sum is 30.

The square root of 243455232 is about 15603.0520091423. The cubic root of 243455232 is about 624.4145831372.

The spelling of 243455232 in words is "two hundred forty-three million, four hundred fifty-five thousand, two hundred thirty-two".