345306005 has 32 divisors (see below), whose sum is σ = 459993600. Its totient is φ = 246758400.

The previous prime is 345305999. The next prime is 345306011. The reversal of 345306005 is 500603543.

It is an interprime number because it is at equal distance from previous prime (345305999) and next prime (345306011).

It is not a de Polignac number, because 345306005 - 2²⁴ = 328528789 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1432685 + ... + 1432925.

It is an arithmetic number, because the mean of its divisors is an integer number (14374800).

Almost surely, 2^345306005 is an apocalyptic number.

It is an amenable number.

345306005 is a deficient number, since it is larger than the sum of its proper divisors (114687595).

345306005 is a wasteful number, since it uses less digits than its factorization.

345306005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 345306005 is about 18582.4111729345. The cubic root of 345306005 is about 701.5652084508.

Adding to 345306005 its reverse (500603543), we get a palindrome (845909548).

The spelling of 345306005 in words is "three hundred forty-five million, three hundred six thousand, five".