345113 has 4 divisors (see below), whose sum is σ = 346320. Its totient is φ = 343908.

The previous prime is 345109. The next prime is 345133. The reversal of 345113 is 311543.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 345113 - 2² = 345109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345091 and 345100.

It is not an unprimeable number, because it can be changed into a prime (345133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 836.

It is an arithmetic number, because the mean of its divisors is an integer number (86580).

2³⁴⁵¹¹³ is an apocalyptic number.

It is an amenable number.

345113 is a deficient number, since it is larger than the sum of its proper divisors (1207).

345113 is an equidigital number, since it uses as much as digits as its factorization.

345113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206.

The product of its digits is 180, while the sum is 17.

The square root of 345113 is about 587.4631903362. The cubic root of 345113 is about 70.1434473367.

Adding to 345113 its reverse (311543), we get a palindrome (656656).

The spelling of 345113 in words is "three hundred forty-five thousand, one hundred thirteen".