243314242 has 8 divisors (see below), whose sum is σ = 365357196. Its totient is φ = 121528512.

The previous prime is 243314207. The next prime is 243314243. The reversal of 243314242 is 242413342.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 206238321 + 37075921 = 14361^2 + 6089^2 .

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

It is not an unprimeable number, because it can be changed into a prime (243314243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61923 + ... + 65734.

Almost surely, 2^243314242 is an apocalyptic number.

243314242 is a deficient number, since it is larger than the sum of its proper divisors (122042954).

243314242 is a wasteful number, since it uses less digits than its factorization.

243314242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128612.

The product of its digits is 4608, while the sum is 25.

The square root of 243314242 is about 15598.5333284896. The cubic root of 243314242 is about 624.2940226939.

Adding to 243314242 its reverse (242413342), we get a palindrome (485727584).

The spelling of 243314242 in words is "two hundred forty-three million, three hundred fourteen thousand, two hundred forty-two".