340105345 has 8 divisors (see below), whose sum is σ = 409457664. Its totient is φ = 271196784.

The previous prime is 340105327. The next prime is 340105351. The reversal of 340105345 is 543501043.

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 340105345 - 2¹⁷ = 339974273 is a prime.

It is a Duffinian 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, 109249 + ... + 112318.

It is an arithmetic number, because the mean of its divisors is an integer number (51182208).

Almost surely, 2^340105345 is an apocalyptic number.

It is an amenable number.

340105345 is a deficient number, since it is larger than the sum of its proper divisors (69352319).

340105345 is a wasteful number, since it uses less digits than its factorization.

340105345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221879.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 340105345 is about 18441.9452607365. The cubic root of 340105345 is about 698.0252814438.

Adding to 340105345 its reverse (543501043), we get a palindrome (883606388).

The spelling of 340105345 in words is "three hundred forty million, one hundred five thousand, three hundred forty-five".