345305115 has 24 divisors (see below), whose sum is σ = 599292720. Its totient is φ = 183927744.

The previous prime is 345305113. The next prime is 345305119. The reversal of 345305115 is 511503543.

345305115 is a `hidden beast` number, since 345 + 305 + 1 + 15 = 666.

It is not a de Polignac number, because 345305115 - 2¹ = 345305113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345305113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34189 + ... + 43121.

It is an arithmetic number, because the mean of its divisors is an integer number (24970530).

Almost surely, 2^345305115 is an apocalyptic number.

345305115 is a deficient number, since it is larger than the sum of its proper divisors (253987605).

345305115 is a wasteful number, since it uses less digits than its factorization.

345305115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9803 (or 9800 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 345305115 is about 18582.3872255424. The cubic root of 345305115 is about 701.5646057066.

Adding to 345305115 its reverse (511503543), we get a palindrome (856808658).

The spelling of 345305115 in words is "three hundred forty-five million, three hundred five thousand, one hundred fifteen".