545266 has 8 divisors (see below), whose sum is σ = 821340. Its totient is φ = 271488.

The previous prime is 545257. The next prime is 545267. The reversal of 545266 is 662545.

It can be written as a sum of positive squares in 2 ways, for example, as 540225 + 5041 = 735^2 + 71^2 .

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

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (545267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270 + ... + 1078.

2⁵⁴⁵²⁶⁶ is an apocalyptic number.

545266 is a deficient number, since it is larger than the sum of its proper divisors (276074).

545266 is a wasteful number, since it uses less digits than its factorization.

545266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148.

The product of its digits is 7200, while the sum is 28.

The square root of 545266 is about 738.4212889672. The cubic root of 545266 is about 81.6963786562.

The spelling of 545266 in words is "five hundred forty-five thousand, two hundred sixty-six".