243536100 has 72 divisors (see below), whose sum is σ = 708996288. Its totient is φ = 64540800.

The previous prime is 243536099. The next prime is 243536141. The reversal of 243536100 is 1635342.

It is a happy number.

It is a super-3 number, since 3×243536100³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47670 + ... + 52530.

Almost surely, 2^243536100 is an apocalyptic number.

243536100 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 243536100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354498144).

243536100 is an abundant number, since it is smaller than the sum of its proper divisors (465460188).

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

243536100 is a wasteful number, since it uses less digits than its factorization.

243536100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045 (or 5038 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 243536100 is about 15605.6432100699. The cubic root of 243536100 is about 624.4837122993.

The spelling of 243536100 in words is "two hundred forty-three million, five hundred thirty-six thousand, one hundred".