845444548 has 24 divisors (see below), whose sum is σ = 1607966360. Its totient is φ = 386622720.

The previous prime is 845444519. The next prime is 845444549.

845444548 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 202720644 + 642723904 = 14238^2 + 25352^2 .

It is a junction number, because it is equal to n+sod(n) for n = 845444498 and 845444507.

It is not an unprimeable number, because it can be changed into a prime (845444549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68913 + ... + 80248.

Almost surely, 2^845444548 is an apocalyptic number.

It is an amenable number.

845444548 is a deficient number, since it is larger than the sum of its proper divisors (762521812).

845444548 is a wasteful number, since it uses less digits than its factorization.

845444548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149287 (or 149285 counting only the distinct ones).

The product of its digits is 1638400, while the sum is 46.

The square root of 845444548 is about 29076.5291601319. The cubic root of 845444548 is about 945.5729560173.

The spelling of 845444548 in words is "eight hundred forty-five million, four hundred forty-four thousand, five hundred forty-eight".