243147104 has 24 divisors (see below), whose sum is σ = 503891640. Its totient is φ = 115174656.

The previous prime is 243147103. The next prime is 243147109. The reversal of 243147104 is 401741342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243147103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199349 + ... + 200564.

It is an arithmetic number, because the mean of its divisors is an integer number (20995485).

Almost surely, 2^243147104 is an apocalyptic number.

It is an amenable number.

243147104 is an abundant number, since it is smaller than the sum of its proper divisors (260744536).

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

243147104 is a wasteful number, since it uses less digits than its factorization.

243147104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399942 (or 399934 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 243147104 is about 15593.1749172515. The cubic root of 243147104 is about 624.1510427701.

Adding to 243147104 its reverse (401741342), we get a palindrome (644888446).

The spelling of 243147104 in words is "two hundred forty-three million, one hundred forty-seven thousand, one hundred four".