845274945 has 16 divisors (see below), whose sum is σ = 1423621440. Its totient is φ = 427086144.

The previous prime is 845274943. The next prime is 845274961. The reversal of 845274945 is 549472548.

845274945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 845274945 - 2¹ = 845274943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 845274894 and 845274903.

It is not an unprimeable number, because it can be changed into a prime (845274943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1482654 + ... + 1483223.

It is an arithmetic number, because the mean of its divisors is an integer number (88976340).

Almost surely, 2^845274945 is an apocalyptic number.

It is an amenable number.

845274945 is a deficient number, since it is larger than the sum of its proper divisors (578346495).

845274945 is a wasteful number, since it uses less digits than its factorization.

845274945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2965904.

The product of its digits is 1612800, while the sum is 48.

The square root of 845274945 is about 29073.6125206346. The cubic root of 845274945 is about 945.5097219331.

The spelling of 845274945 in words is "eight hundred forty-five million, two hundred seventy-four thousand, nine hundred forty-five".