243868095 has 12 divisors (see below), whose sum is σ = 422704776. Its totient is φ = 130062960.

The previous prime is 243868069. The next prime is 243868109. The reversal of 243868095 is 590868342.

It is not a de Polignac number, because 243868095 - 2¹¹ = 243866047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 5419291 = 243868095 / (2 + 4 + 3 + 8 + 6 + 8 + 0 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 243868095.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2709601 + ... + 2709690.

It is an arithmetic number, because the mean of its divisors is an integer number (35225398).

Almost surely, 2^243868095 is an apocalyptic number.

243868095 is a deficient number, since it is larger than the sum of its proper divisors (178836681).

243868095 is a wasteful number, since it uses less digits than its factorization.

243868095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5419302 (or 5419299 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 243868095 is about 15616.2766048761. The cubic root of 243868095 is about 624.7673544791.

The spelling of 243868095 in words is "two hundred forty-three million, eight hundred sixty-eight thousand, ninety-five".