845203385 has 8 divisors (see below), whose sum is σ = 1092262920. Its totient is φ = 624150144.

The previous prime is 845203351. The next prime is 845203421. The reversal of 845203385 is 583302548.

845203385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 22201 + 845181184 = 149^2 + 29072^2 .

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 845203385 - 2¹⁴ = 845187001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6501500 + ... + 6501629.

It is an arithmetic number, because the mean of its divisors is an integer number (136532865).

Almost surely, 2^845203385 is an apocalyptic number.

It is an amenable number.

845203385 is a deficient number, since it is larger than the sum of its proper divisors (247059535).

845203385 is a wasteful number, since it uses less digits than its factorization.

845203385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13003147.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 845203385 is about 29072.3818253682. The cubic root of 845203385 is about 945.4830392600.

The spelling of 845203385 in words is "eight hundred forty-five million, two hundred three thousand, three hundred eighty-five".