245225728 has 36 divisors (see below), whose sum is σ = 533999088. Its totient is φ = 111464960.

The previous prime is 245225719. The next prime is 245225737. The reversal of 245225728 is 827522542.

245225728 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245225719) and next prime (245225737).

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, 40726 + ... + 46357.

It is an arithmetic number, because the mean of its divisors is an integer number (14833308).

Almost surely, 2^245225728 is an apocalyptic number.

It is an amenable number.

245225728 is an abundant number, since it is smaller than the sum of its proper divisors (288773360).

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

245225728 is an equidigital number, since it uses as much as digits as its factorization.

245225728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87110 (or 87096 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 245225728 is about 15659.6847988713. The cubic root of 245225728 is about 625.9245861104.

The spelling of 245225728 in words is "two hundred forty-five million, two hundred twenty-five thousand, seven hundred twenty-eight".