845944345 has 16 divisors (see below), whose sum is σ = 1036522368. Its totient is φ = 662618880.

The previous prime is 845944343. The next prime is 845944373. The reversal of 845944345 is 543449548.

It is not a de Polignac number, because 845944345 - 2¹ = 845944343 is a prime.

It is a Duffinian number.

Its product of digits (1382400) is a multiple of the sum of its prime divisors (15360).

It is a junction number, because it is equal to n+sod(n) for n = 845944295 and 845944304.

It is not an unprimeable number, because it can be changed into a prime (845944343) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 48385 + ... + 63505.

It is an arithmetic number, because the mean of its divisors is an integer number (64782648).

Almost surely, 2^845944345 is an apocalyptic number.

It is an amenable number.

845944345 is a deficient number, since it is larger than the sum of its proper divisors (190578023).

845944345 is a wasteful number, since it uses less digits than its factorization.

845944345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15360.

The product of its digits is 1382400, while the sum is 46.

The square root of 845944345 is about 29085.1223996049. The cubic root of 845944345 is about 945.7592491067.

The spelling of 845944345 in words is "eight hundred forty-five million, nine hundred forty-four thousand, three hundred forty-five".