245803120 has 20 divisors (see below), whose sum is σ = 571492440. Its totient is φ = 98321216.

The previous prime is 245803109. The next prime is 245803147. The reversal of 245803120 is 21308542.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1536190 + ... + 1536349.

It is an arithmetic number, because the mean of its divisors is an integer number (28574622).

Almost surely, 2^245803120 is an apocalyptic number.

245803120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245803120 is an abundant number, since it is smaller than the sum of its proper divisors (325689320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245803120 is a wasteful number, since it uses less digits than its factorization.

245803120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072552 (or 3072546 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 245803120 is about 15678.1095799207. The cubic root of 245803120 is about 626.4154543624.

The spelling of 245803120 in words is "two hundred forty-five million, eight hundred three thousand, one hundred twenty".