845378162 has 4 divisors (see below), whose sum is σ = 1268067246. Its totient is φ = 422689080.

The previous prime is 845378161. The next prime is 845378189. The reversal of 845378162 is 261873548.

845378162 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 811167361 + 34210801 = 28481^2 + 5849^2 .

It is not an unprimeable number, because it can be changed into a prime (845378161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211344539 + ... + 211344542.

Almost surely, 2^845378162 is an apocalyptic number.

845378162 is a deficient number, since it is larger than the sum of its proper divisors (422689084).

845378162 is a wasteful number, since it uses less digits than its factorization.

845378162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422689083.

The product of its digits is 322560, while the sum is 44.

The square root of 845378162 is about 29075.3875640549. The cubic root of 845378162 is about 945.5482059417.

The spelling of 845378162 in words is "eight hundred forty-five million, three hundred seventy-eight thousand, one hundred sixty-two".