243554113 has 8 divisors (see below), whose sum is σ = 265898016. Its totient is φ = 221244000.

The previous prime is 243554089. The next prime is 243554119. The reversal of 243554113 is 311455342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 243554113 - 2⁵ = 243554081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (243554119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8038 + ... + 23488.

It is an arithmetic number, because the mean of its divisors is an integer number (33237252).

Almost surely, 2^243554113 is an apocalyptic number.

It is an amenable number.

243554113 is a deficient number, since it is larger than the sum of its proper divisors (22343903).

243554113 is a wasteful number, since it uses less digits than its factorization.

243554113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16895.

The product of its digits is 7200, while the sum is 28.

The square root of 243554113 is about 15606.2203303683. The cubic root of 243554113 is about 624.4991084395.

The spelling of 243554113 in words is "two hundred forty-three million, five hundred fifty-four thousand, one hundred thirteen".