243287448 has 16 divisors (see below), whose sum is σ = 608218680. Its totient is φ = 81095808.

The previous prime is 243287441. The next prime is 243287461. The reversal of 243287448 is 844782342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243287441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5068465 + ... + 5068512.

Almost surely, 2^243287448 is an apocalyptic number.

It is an amenable number.

243287448 is an abundant number, since it is smaller than the sum of its proper divisors (364931232).

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

243287448 is a wasteful number, since it uses less digits than its factorization.

243287448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136986 (or 10136982 counting only the distinct ones).

The product of its digits is 344064, while the sum is 42.

The square root of 243287448 is about 15597.6744420442. The cubic root of 243287448 is about 624.2711058985.

The spelling of 243287448 in words is "two hundred forty-three million, two hundred eighty-seven thousand, four hundred forty-eight".