243045107 has 8 divisors (see below), whose sum is σ = 259370496. Its totient is φ = 226945152.

The previous prime is 243045097. The next prime is 243045133. The reversal of 243045107 is 701540342.

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

It is a cyclic number.

It is not a de Polignac number, because 243045107 - 2⁴ = 243045091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (243045137) by changing a digit.

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, 54128 + ... + 58445.

It is an arithmetic number, because the mean of its divisors is an integer number (32421312).

Almost surely, 2^243045107 is an apocalyptic number.

243045107 is a deficient number, since it is larger than the sum of its proper divisors (16325389).

243045107 is a wasteful number, since it uses less digits than its factorization.

243045107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112717.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 243045107 is about 15589.9040086846. The cubic root of 243045107 is about 624.0637561897.

Adding to 243045107 its reverse (701540342), we get a palindrome (944585449).

The spelling of 243045107 in words is "two hundred forty-three million, forty-five thousand, one hundred seven".