245968243 has 8 divisors (see below), whose sum is σ = 259171920. Its totient is φ = 232790400.

The previous prime is 245968241. The next prime is 245968253. The reversal of 245968243 is 342869542.

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 245968243 - 2¹ = 245968241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245968243.

It is not an unprimeable number, because it can be changed into a prime (245968241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14943 + ... + 26743.

It is an arithmetic number, because the mean of its divisors is an integer number (32396490).

Almost surely, 2^245968243 is an apocalyptic number.

245968243 is a deficient number, since it is larger than the sum of its proper divisors (13203677).

245968243 is a wasteful number, since it uses less digits than its factorization.

245968243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12917.

The product of its digits is 414720, while the sum is 43.

The square root of 245968243 is about 15683.3747324994. The cubic root of 245968243 is about 626.5556918637. Note that the first 3 decimals are identical.

The spelling of 245968243 in words is "two hundred forty-five million, nine hundred sixty-eight thousand, two hundred forty-three".