845836945285 has 8 divisors (see below), whose sum is σ = 1015368282360. Its totient is φ = 676426924224.

The previous prime is 845836945253. The next prime is 845836945333. The reversal of 845836945285 is 582549638548.

It can be written as a sum of positive squares in 4 ways, for example, as 158353855969 + 687483089316 = 397937^2 + 829146^2 .

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 845836945285 - 2⁵ = 845836945253 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 845836945285.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30313662 + ... + 30341551.

It is an arithmetic number, because the mean of its divisors is an integer number (126921035295).

Almost surely, 2^845836945285 is an apocalyptic number.

It is an amenable number.

845836945285 is a deficient number, since it is larger than the sum of its proper divisors (169531337075).

845836945285 is a wasteful number, since it uses less digits than its factorization.

845836945285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60658007.

The product of its digits is 331776000, while the sum is 67.

The spelling of 845836945285 in words is "eight hundred forty-five billion, eight hundred thirty-six million, nine hundred forty-five thousand, two hundred eighty-five".