243088 has 10 divisors (see below), whose sum is σ = 471014. Its totient is φ = 121536.

The previous prime is 243077. The next prime is 243091. The reversal of 243088 is 880342.

243088 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 242064 + 1024 = 492^2 + 32^2 .

It is a plaindrome in base 11.

It is an unprimeable number.

243088 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7581 + ... + 7612.

2²⁴³⁰⁸⁸ is an apocalyptic number.

It is an amenable number.

243088 is a deficient number, since it is larger than the sum of its proper divisors (227926).

243088 is a wasteful number, since it uses less digits than its factorization.

243088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15201 (or 15195 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 243088 is about 493.0395521659. The cubic root of 243088 is about 62.4100465963.

The spelling of 243088 in words is "two hundred forty-three thousand, eighty-eight".