243344042 has 8 divisors (see below), whose sum is σ = 374881476. Its totient is φ = 118383552.

The previous prime is 243344027. The next prime is 243344063. The reversal of 243344042 is 240443342.

It can be written as a sum of positive squares in 2 ways, for example, as 241833601 + 1510441 = 15551^2 + 1229^2 .

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

It is an unprimeable number.

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, 1644143 + ... + 1644290.

Almost surely, 2^243344042 is an apocalyptic number.

243344042 is a deficient number, since it is larger than the sum of its proper divisors (131537434).

243344042 is a wasteful number, since it uses less digits than its factorization.

243344042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3288472.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 243344042 is about 15599.4885172559. The cubic root of 243344042 is about 624.3195085324.

Adding to 243344042 its reverse (240443342), we get a palindrome (483787384).

The spelling of 243344042 in words is "two hundred forty-three million, three hundred forty-four thousand, forty-two".