345143 has 2 divisors, whose sum is σ = 345144. Its totient is φ = 345142.

The previous prime is 345139. The next prime is 345181. The reversal of 345143 is 341543.

It is a weak prime.

It is an emirp because it is prime and its reverse (341543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345143 - 2² = 345139 is a prime.

It is a Chen prime.

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 345143.

It is not a weakly prime, because it can be changed into another prime (345133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172571 + 172572.

It is an arithmetic number, because the mean of its divisors is an integer number (172572).

2³⁴⁵¹⁴³ is an apocalyptic number.

345143 is a deficient number, since it is larger than the sum of its proper divisors (1).

345143 is an equidigital number, since it uses as much as digits as its factorization.

345143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 20.

The square root of 345143 is about 587.4887232960. The cubic root of 345143 is about 70.1454797555.

Adding to 345143 its reverse (341543), we get a palindrome (686686).

Subtracting from 345143 its reverse (341543), we obtain a square (3600 = 60²).

The spelling of 345143 in words is "three hundred forty-five thousand, one hundred forty-three".