345361305 has 16 divisors (see below), whose sum is σ = 552813120. Its totient is φ = 184114368.

The previous prime is 345361283. The next prime is 345361339. The reversal of 345361305 is 503163543.

It is a happy number.

It is not a de Polignac number, because 345361305 - 2⁶ = 345361241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55911 + ... + 61779.

It is an arithmetic number, because the mean of its divisors is an integer number (34550820).

Almost surely, 2^345361305 is an apocalyptic number.

It is an amenable number.

345361305 is a deficient number, since it is larger than the sum of its proper divisors (207451815).

345361305 is a wasteful number, since it uses less digits than its factorization.

345361305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9800.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 345361305 is about 18583.8990795796. The cubic root of 345361305 is about 701.6026578286.

The spelling of 345361305 in words is "three hundred forty-five million, three hundred sixty-one thousand, three hundred five".