845870112 has 36 divisors (see below), whose sum is σ = 2405443950. Its totient is φ = 281956608.

The previous prime is 845870107. The next prime is 845870131. The reversal of 845870112 is 211078548.

It can be written as a sum of positive squares in only one way, i.e., 838449936 + 7420176 = 28956^2 + 2724^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 1468237 + ... + 1468812.

Almost surely, 2^845870112 is an apocalyptic number.

It is an amenable number.

845870112 is an abundant number, since it is smaller than the sum of its proper divisors (1559573838).

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

845870112 is a wasteful number, since it uses less digits than its factorization.

845870112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2937065 (or 2937054 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 845870112 is about 29083.8462380752. The cubic root of 845870112 is about 945.7315843238.

The spelling of 845870112 in words is "eight hundred forty-five million, eight hundred seventy thousand, one hundred twelve".