545343 has 16 divisors (see below), whose sum is σ = 793440. Its totient is φ = 332928.

The previous prime is 545329. The next prime is 545371. The reversal of 545343 is 343545.

It is a happy number.

545343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 545343 - 2⁸ = 545087 is a prime.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14721 + ... + 14757.

It is an arithmetic number, because the mean of its divisors is an integer number (49590).

2⁵⁴⁵³⁴³ is an apocalyptic number.

545343 is a deficient number, since it is larger than the sum of its proper divisors (248097).

545343 is an equidigital number, since it uses as much as digits as its factorization.

545343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 57 counting only the distinct ones).

The product of its digits is 3600, while the sum is 24.

The square root of 545343 is about 738.4734253851. The cubic root of 545343 is about 81.7002240730.

Adding to 545343 its reverse (343545), we get a palindrome (888888).

It can be divided in two parts, 545 and 343, that added together give a palindrome (888).

The spelling of 545343 in words is "five hundred forty-five thousand, three hundred forty-three".