845057 has 4 divisors (see below), whose sum is σ = 859440. Its totient is φ = 830676.

The previous prime is 845041. The next prime is 845069. The reversal of 845057 is 750548.

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 845057 - 2⁴ = 845041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845017) 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, 7103 + ... + 7220.

It is an arithmetic number, because the mean of its divisors is an integer number (214860).

2⁸⁴⁵⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

845057 is a deficient number, since it is larger than the sum of its proper divisors (14383).

845057 is a wasteful number, since it uses less digits than its factorization.

845057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14382.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 845057 is about 919.2698189324. The cubic root of 845057 is about 94.5428451797.

The spelling of 845057 in words is "eight hundred forty-five thousand, fifty-seven".