245765243 has 8 divisors (see below), whose sum is σ = 262611360. Its totient is φ = 229184640.

The previous prime is 245765213. The next prime is 245765249. The reversal of 245765243 is 342567542.

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 245765243 - 2¹⁰ = 245764219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245765197 and 245765206.

It is not an unprimeable number, because it can be changed into a prime (245765249) 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, 64463 + ... + 68168.

It is an arithmetic number, because the mean of its divisors is an integer number (32826420).

Almost surely, 2^245765243 is an apocalyptic number.

245765243 is a deficient number, since it is larger than the sum of its proper divisors (16846117).

245765243 is a wasteful number, since it uses less digits than its factorization.

245765243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132757.

The product of its digits is 201600, while the sum is 38.

The square root of 245765243 is about 15676.9015752476. The cubic root of 245765243 is about 626.3832769067.

The spelling of 245765243 in words is "two hundred forty-five million, seven hundred sixty-five thousand, two hundred forty-three".