243153268 has 12 divisors (see below), whose sum is σ = 426232800. Its totient is φ = 121372472.

The previous prime is 243153257. The next prime is 243153271. The reversal of 243153268 is 862351342.

It is a super-4 number, since 4×243153268⁴ (a number of 35 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48346 + ... + 53137.

It is an arithmetic number, because the mean of its divisors is an integer number (35519400).

Almost surely, 2^243153268 is an apocalyptic number.

It is an amenable number.

243153268 is a deficient number, since it is larger than the sum of its proper divisors (183079532).

243153268 is a wasteful number, since it uses less digits than its factorization.

243153268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102086 (or 102084 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 243153268 is about 15593.3725665746. The cubic root of 243153268 is about 624.1563169908.

The spelling of 243153268 in words is "two hundred forty-three million, one hundred fifty-three thousand, two hundred sixty-eight".