243545484 has 144 divisors (see below), whose sum is σ = 720013056. Its totient is φ = 63504000.

The previous prime is 243545483. The next prime is 243545503. The reversal of 243545484 is 484545342.

It is a super-3 number, since 3×243545484³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (243545483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1154139 + ... + 1154349.

Almost surely, 2^243545484 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 243545484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360006528).

243545484 is an abundant number, since it is smaller than the sum of its proper divisors (476467572).

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

243545484 is a wasteful number, since it uses less digits than its factorization.

243545484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 387 counting only the distinct ones).

The product of its digits is 307200, while the sum is 39.

The square root of 243545484 is about 15605.9438676422. The cubic root of 243545484 is about 624.4917331224.

The spelling of 243545484 in words is "two hundred forty-three million, five hundred forty-five thousand, four hundred eighty-four".