845113 has 4 divisors (see below), whose sum is σ = 857088. Its totient is φ = 833140.

The previous prime is 845111. The next prime is 845129. The reversal of 845113 is 311548.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 845113 - 2¹ = 845111 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (845111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5881 + ... + 6022.

It is an arithmetic number, because the mean of its divisors is an integer number (214272).

2⁸⁴⁵¹¹³ is an apocalyptic number.

It is an amenable number.

845113 is a deficient number, since it is larger than the sum of its proper divisors (11975).

845113 is a wasteful number, since it uses less digits than its factorization.

845113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11974.

The product of its digits is 480, while the sum is 22.

The square root of 845113 is about 919.3002773849. The cubic root of 845113 is about 94.5449335131.

It can be divided in two parts, 8451 and 13, that added together give a square (8464 = 92²).

The spelling of 845113 in words is "eight hundred forty-five thousand, one hundred thirteen".