243242104 has 32 divisors (see below), whose sum is σ = 548668800. Its totient is φ = 98759520.

The previous prime is 243242071. The next prime is 243242113. The reversal of 243242104 is 401242342.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113242 + ... + 115369.

It is an arithmetic number, because the mean of its divisors is an integer number (17145900).

Almost surely, 2^243242104 is an apocalyptic number.

It is an amenable number.

243242104 is an abundant number, since it is smaller than the sum of its proper divisors (305426696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243242104 is a wasteful number, since it uses less digits than its factorization.

243242104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228643 (or 228639 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 243242104 is about 15596.2208242895. The cubic root of 243242104 is about 624.2323195328.

Adding to 243242104 its reverse (401242342), we get a palindrome (644484446).

The spelling of 243242104 in words is "two hundred forty-three million, two hundred forty-two thousand, one hundred four".