345066605 has 8 divisors (see below), whose sum is σ = 445932312. Its totient is φ = 254818368.

The previous prime is 345066587. The next prime is 345066613. The reversal of 345066605 is 506660543.

It can be written as a sum of positive squares in 4 ways, for example, as 42237001 + 302829604 = 6499^2 + 17402^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345066605 - 2⁶ = 345066541 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2654294 + ... + 2654423.

It is an arithmetic number, because the mean of its divisors is an integer number (55741539).

Almost surely, 2^345066605 is an apocalyptic number.

It is an amenable number.

345066605 is a deficient number, since it is larger than the sum of its proper divisors (100865707).

345066605 is a wasteful number, since it uses less digits than its factorization.

345066605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5308735.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 345066605 is about 18575.9684808087. The cubic root of 345066605 is about 701.4030396907.

The spelling of 345066605 in words is "three hundred forty-five million, sixty-six thousand, six hundred five".