243415056 has 20 divisors (see below), whose sum is σ = 628822352. Its totient is φ = 81138336.

The previous prime is 243415019. The next prime is 243415063. The reversal of 243415056 is 650514342.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2535526 + ... + 2535621.

Almost surely, 2^243415056 is an apocalyptic number.

It is an amenable number.

243415056 is an abundant number, since it is smaller than the sum of its proper divisors (385407296).

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

243415056 is a wasteful number, since it uses less digits than its factorization.

243415056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071158 (or 5071152 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 243415056 is about 15601.7645155925. The cubic root of 243415056 is about 624.3802334128.

Adding to 243415056 its reverse (650514342), we get a palindrome (893929398).

The spelling of 243415056 in words is "two hundred forty-three million, four hundred fifteen thousand, fifty-six".