305164 has 24 divisors (see below), whose sum is σ = 580608. Its totient is φ = 139920.

The previous prime is 305147. The next prime is 305209. The reversal of 305164 is 461503.

305164 = T₃₁ + T₃₂ + ... + T₁₂₂.

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2799 + ... + 2905.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2³⁰⁵¹⁶⁴ is an apocalyptic number.

It is an amenable number.

305164 is a deficient number, since it is larger than the sum of its proper divisors (275444).

305164 is a wasteful number, since it uses less digits than its factorization.

305164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 305164 is about 552.4165095288. The cubic root of 305164 is about 67.3252176823.

Adding to 305164 its reverse (461503), we get a palindrome (766667).

The spelling of 305164 in words is "three hundred five thousand, one hundred sixty-four".