845448 has 16 divisors (see below), whose sum is σ = 2113680. Its totient is φ = 281808.

The previous prime is 845447. The next prime is 845459. The reversal of 845448 is 844548.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845448.

It is not an unprimeable number, because it can be changed into a prime (845441) 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, 17590 + ... + 17637.

It is an arithmetic number, because the mean of its divisors is an integer number (132105).

2⁸⁴⁵⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

845448 is an abundant number, since it is smaller than the sum of its proper divisors (1268232).

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

845448 is a wasteful number, since it uses less digits than its factorization.

845448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35236 (or 35232 counting only the distinct ones).

The product of its digits is 20480, while the sum is 33.

The square root of 845448 is about 919.4824631280. The cubic root of 845448 is about 94.5574242959.

Subtracting from 845448 its reverse (844548), we obtain a square (900 = 30²).

The spelling of 845448 in words is "eight hundred forty-five thousand, four hundred forty-eight".