845164 has 6 divisors (see below), whose sum is σ = 1479044. Its totient is φ = 422580.

The previous prime is 845137. The next prime is 845167. The reversal of 845164 is 461548.

It is not an unprimeable number, because it can be changed into a prime (845167) 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 as a sum of consecutive naturals, namely, 105642 + ... + 105649.

2⁸⁴⁵¹⁶⁴ is an apocalyptic number.

It is an amenable number.

845164 is a deficient number, since it is larger than the sum of its proper divisors (633880).

845164 is a wasteful number, since it uses less digits than its factorization.

845164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211295 (or 211293 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 845164 is about 919.3280154548. The cubic root of 845164 is about 94.5468353080.

It can be divided in two parts, 8451 and 64, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 845164 in words is "eight hundred forty-five thousand, one hundred sixty-four".