243060255 has 48 divisors (see below), whose sum is σ = 450203520. Its totient is φ = 120947904.

The previous prime is 243060253. The next prime is 243060263. The reversal of 243060255 is 552060342.

243060255 is a `hidden beast` number, since 2 + 4 + 3 + 0 + 602 + 55 = 666.

It is not a de Polignac number, because 243060255 - 2¹ = 243060253 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243060253) 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, 55164 + ... + 59406.

It is an arithmetic number, because the mean of its divisors is an integer number (9379240).

Almost surely, 2^243060255 is an apocalyptic number.

243060255 is a deficient number, since it is larger than the sum of its proper divisors (207143265).

243060255 is a wasteful number, since it uses less digits than its factorization.

243060255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340 (or 4337 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 243060255 is about 15590.3898283526. The cubic root of 243060255 is about 624.0767210278.

The spelling of 243060255 in words is "two hundred forty-three million, sixty thousand, two hundred fifty-five".