545164 has 12 divisors (see below), whose sum is σ = 967624. Its totient is φ = 268704.

The previous prime is 545161. The next prime is 545189. The reversal of 545164 is 461545.

It is not an unprimeable number, because it can be changed into a prime (545161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 642 + ... + 1225.

2⁵⁴⁵¹⁶⁴ is an apocalyptic number.

It is an amenable number.

545164 is a deficient number, since it is larger than the sum of its proper divisors (422460).

545164 is a wasteful number, since it uses less digits than its factorization.

545164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944 (or 1942 counting only the distinct ones).

The product of its digits is 2400, while the sum is 25.

The square root of 545164 is about 738.3522194725. The cubic root of 545164 is about 81.6912841700.

The spelling of 545164 in words is "five hundred forty-five thousand, one hundred sixty-four".