345133 has 2 divisors, whose sum is σ = 345134. Its totient is φ = 345132.

The previous prime is 345109. The next prime is 345139. The reversal of 345133 is 331543.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195364 + 149769 = 442^2 + 387^2 .

It is an emirp because it is prime and its reverse (331543) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 345133 - 2⁹ = 344621 is a prime.

It is a super-3 number, since 3×345133³ = 123333402856402911, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 345133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172566 + 172567.

It is an arithmetic number, because the mean of its divisors is an integer number (172567).

2³⁴⁵¹³³ is an apocalyptic number.

It is an amenable number.

345133 is a deficient number, since it is larger than the sum of its proper divisors (1).

345133 is an equidigital number, since it uses as much as digits as its factorization.

345133 is an evil number, because the sum of its binary digits is even.

The product of its digits is 540, while the sum is 19.

The square root of 345133 is about 587.4802124327. The cubic root of 345133 is about 70.1448022956.

Adding to 345133 its reverse (331543), we get a palindrome (676676).

The spelling of 345133 in words is "three hundred forty-five thousand, one hundred thirty-three".