245803864 has 8 divisors (see below), whose sum is σ = 460882260. Its totient is φ = 122901928.

The previous prime is 245803819. The next prime is 245803871. The reversal of 245803864 is 468308542.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15362734 + ... + 15362749.

Almost surely, 2^245803864 is an apocalyptic number.

It is an amenable number.

245803864 is a deficient number, since it is larger than the sum of its proper divisors (215078396).

245803864 is a wasteful number, since it uses less digits than its factorization.

245803864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30725489 (or 30725485 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 245803864 is about 15678.1333072531. The cubic root of 245803864 is about 626.4160863758.

The spelling of 245803864 in words is "two hundred forty-five million, eight hundred three thousand, eight hundred sixty-four".