545143 has 2 divisors, whose sum is σ = 545144. Its totient is φ = 545142.

The previous prime is 545141. The next prime is 545161. The reversal of 545143 is 341545.

545143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545143 - 2¹ = 545141 is a prime.

Together with 545141, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272571 + 272572.

It is an arithmetic number, because the mean of its divisors is an integer number (272572).

2⁵⁴⁵¹⁴³ is an apocalyptic number.

545143 is a deficient number, since it is larger than the sum of its proper divisors (1).

545143 is an equidigital number, since it uses as much as digits as its factorization.

545143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 22.

The square root of 545143 is about 738.3379984804. The cubic root of 545143 is about 81.6902352264.

Adding to 545143 its reverse (341545), we get a palindrome (886688).

The spelling of 545143 in words is "five hundred forty-five thousand, one hundred forty-three".