243440102 has 8 divisors (see below), whose sum is σ = 386640216. Its totient is φ = 114560032.

The previous prime is 243440101. The next prime is 243440107. The reversal of 243440102 is 201044342.

243440102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243440101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3579968 + ... + 3580035.

It is an arithmetic number, because the mean of its divisors is an integer number (48330027).

Almost surely, 2^243440102 is an apocalyptic number.

243440102 is a deficient number, since it is larger than the sum of its proper divisors (143200114).

243440102 is a wasteful number, since it uses less digits than its factorization.

243440102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7160022.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 243440102 is about 15602.5671605669. The cubic root of 243440102 is about 624.4016477154.

Adding to 243440102 its reverse (201044342), we get a palindrome (444484444).

The spelling of 243440102 in words is "two hundred forty-three million, four hundred forty thousand, one hundred two".