345380345 has 8 divisors (see below), whose sum is σ = 414569664. Its totient is φ = 276228784.

The previous prime is 345380323. The next prime is 345380359. The reversal of 345380345 is 543083543.

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 345380345 - 2²⁴ = 328603129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17882 + ... + 31788.

It is an arithmetic number, because the mean of its divisors is an integer number (51821208).

Almost surely, 2^345380345 is an apocalyptic number.

It is an amenable number.

345380345 is a deficient number, since it is larger than the sum of its proper divisors (69189319).

345380345 is a wasteful number, since it uses less digits than its factorization.

345380345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18879.

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 345380345 is about 18584.4113439194. The cubic root of 345380345 is about 701.6155508665.

The spelling of 345380345 in words is "three hundred forty-five million, three hundred eighty thousand, three hundred forty-five".