545169 has 8 divisors (see below), whose sum is σ = 758592. Its totient is φ = 347600.

The previous prime is 545161. The next prime is 545189. The reversal of 545169 is 961545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545169 - 2³ = 545161 is a prime.

It is a super-2 number, since 2×545169² = 594418477122, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 3882 + ... + 4019.

It is an arithmetic number, because the mean of its divisors is an integer number (94824).

2⁵⁴⁵¹⁶⁹ is an apocalyptic number.

It is an amenable number.

545169 is a deficient number, since it is larger than the sum of its proper divisors (213423).

545169 is a wasteful number, since it uses less digits than its factorization.

545169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7927.

The product of its digits is 5400, while the sum is 30.

The square root of 545169 is about 738.3556053827. The cubic root of 545169 is about 81.6915339146.

The spelling of 545169 in words is "five hundred forty-five thousand, one hundred sixty-nine".