845107 has 4 divisors (see below), whose sum is σ = 863136. Its totient is φ = 827080.

The previous prime is 845099. The next prime is 845111. The reversal of 845107 is 701548.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 845107 - 2³ = 845099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845137) 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, 8944 + ... + 9037.

It is an arithmetic number, because the mean of its divisors is an integer number (215784).

2⁸⁴⁵¹⁰⁷ is an apocalyptic number.

845107 is a deficient number, since it is larger than the sum of its proper divisors (18029).

845107 is a wasteful number, since it uses less digits than its factorization.

845107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18028.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 845107 is about 919.2970140276. The cubic root of 845107 is about 94.5447097675.

The spelling of 845107 in words is "eight hundred forty-five thousand, one hundred seven".