245108865 has 32 divisors (see below), whose sum is σ = 405409536. Its totient is φ = 126371840.

The previous prime is 245108863. The next prime is 245108869. The reversal of 245108865 is 568801542.

It is not a de Polignac number, because 245108865 - 2¹ = 245108863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245108863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67732 + ... + 71258.

It is an arithmetic number, because the mean of its divisors is an integer number (12669048).

Almost surely, 2^245108865 is an apocalyptic number.

It is an amenable number.

245108865 is a deficient number, since it is larger than the sum of its proper divisors (160300671).

245108865 is a wasteful number, since it uses less digits than its factorization.

245108865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3689.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 245108865 is about 15655.9530211354. The cubic root of 245108865 is about 625.8251416134.

The spelling of 245108865 in words is "two hundred forty-five million, one hundred eight thousand, eight hundred sixty-five".