545133 has 4 divisors (see below), whose sum is σ = 726848. Its totient is φ = 363420.

The previous prime is 545131. The next prime is 545141. The reversal of 545133 is 331545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 545133 - 2¹ = 545131 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 12.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 545133.

It is not an unprimeable number, because it can be changed into a prime (545131) 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, 90853 + ... + 90858.

It is an arithmetic number, because the mean of its divisors is an integer number (181712).

2⁵⁴⁵¹³³ is an apocalyptic number.

It is an amenable number.

545133 is a deficient number, since it is larger than the sum of its proper divisors (181715).

545133 is a wasteful number, since it uses less digits than its factorization.

545133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181714.

The product of its digits is 900, while the sum is 21.

The square root of 545133 is about 738.3312264831. The cubic root of 545133 is about 81.6897357199.

Adding to 545133 its reverse (331545), we get a palindrome (876678).

The spelling of 545133 in words is "five hundred forty-five thousand, one hundred thirty-three".