345556065 has 16 divisors (see below), whose sum is σ = 553190400. Its totient is φ = 184196352.

The previous prime is 345556031. The next prime is 345556103. The reversal of 345556065 is 560655543.

It is not a de Polignac number, because 345556065 - 2⁷ = 345555937 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28441 + ... + 38729.

It is an arithmetic number, because the mean of its divisors is an integer number (34574400).

Almost surely, 2^345556065 is an apocalyptic number.

It is an amenable number.

345556065 is a deficient number, since it is larger than the sum of its proper divisors (207634335).

345556065 is a wasteful number, since it uses less digits than its factorization.

345556065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12536.

The product of its (nonzero) digits is 270000, while the sum is 39.

The square root of 345556065 is about 18589.1383608816. The cubic root of 345556065 is about 701.7345182443.

The spelling of 345556065 in words is "three hundred forty-five million, five hundred fifty-six thousand, sixty-five".