845499212 has 12 divisors (see below), whose sum is σ = 1515712296. Its totient is φ = 412438560.

The previous prime is 845499211. The next prime is 845499227. The reversal of 845499212 is 212994548.

It is not an unprimeable number, because it can be changed into a prime (845499211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2577578 + ... + 2577905.

It is an arithmetic number, because the mean of its divisors is an integer number (126309358).

Almost surely, 2^845499212 is an apocalyptic number.

845499212 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

845499212 is a deficient number, since it is larger than the sum of its proper divisors (670213084).

845499212 is a wasteful number, since it uses less digits than its factorization.

845499212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155528 (or 5155526 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The square root of 845499212 is about 29077.4691470905. The cubic root of 845499212 is about 945.5933349159.

The spelling of 845499212 in words is "eight hundred forty-five million, four hundred ninety-nine thousand, two hundred twelve".