243045248 has 32 divisors (see below), whose sum is σ = 490046760. Its totient is φ = 120053248.

The previous prime is 243045241. The next prime is 243045269. The reversal of 243045248 is 842540342.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243045241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 815 + ... + 22062.

Almost surely, 2^243045248 is an apocalyptic number.

It is an amenable number.

243045248 is an abundant number, since it is smaller than the sum of its proper divisors (247001512).

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

243045248 is an equidigital number, since it uses as much as digits as its factorization.

243045248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22974 (or 22962 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 243045248 is about 15589.9085308414. The cubic root of 243045248 is about 624.0638768709.

The spelling of 243045248 in words is "two hundred forty-three million, forty-five thousand, two hundred forty-eight".