845228241 has 48 divisors (see below), whose sum is σ = 1437875712. Its totient is φ = 471686400.

The previous prime is 845228239. The next prime is 845228257. The reversal of 845228241 is 142822548.

It is not a de Polignac number, because 845228241 - 2¹ = 845228239 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 845228196 and 845228205.

It is not an unprimeable number, because it can be changed into a prime (845228291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 978976 + ... + 979838.

It is an arithmetic number, because the mean of its divisors is an integer number (29955744).

Almost surely, 2^845228241 is an apocalyptic number.

It is an amenable number.

845228241 is a deficient number, since it is larger than the sum of its proper divisors (592647471).

845228241 is a wasteful number, since it uses less digits than its factorization.

845228241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1654 (or 1651 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 845228241 is about 29072.8093069796. The cubic root of 845228241 is about 945.4923075207.

The spelling of 845228241 in words is "eight hundred forty-five million, two hundred twenty-eight thousand, two hundred forty-one".