845465 has 4 divisors (see below), whose sum is σ = 1014564. Its totient is φ = 676368.

The previous prime is 845459. The next prime is 845489. The reversal of 845465 is 564548.

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

It can be written as a sum of positive squares in 2 ways, for example, as 107584 + 737881 = 328^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 845465 - 2⁸ = 845209 is a prime.

It is a super-2 number, since 2×845465² = 1429622132450, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845465.

It is an unprimeable number.

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, 84542 + ... + 84551.

It is an arithmetic number, because the mean of its divisors is an integer number (253641).

2⁸⁴⁵⁴⁶⁵ is an apocalyptic number.

It is an amenable number.

845465 is a deficient number, since it is larger than the sum of its proper divisors (169099).

845465 is a wasteful number, since it uses less digits than its factorization.

845465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169098.

The product of its digits is 19200, while the sum is 32.

The square root of 845465 is about 919.4917074123. The cubic root of 845465 is about 94.5580580685.

The spelling of 845465 in words is "eight hundred forty-five thousand, four hundred sixty-five".