345749065 has 16 divisors (see below), whose sum is σ = 418017600. Its totient is φ = 274530240.

The previous prime is 345749003. The next prime is 345749071. The reversal of 345749065 is 560947543.

It is not a de Polignac number, because 345749065 - 2¹⁹ = 345224777 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, 605230 + ... + 605800.

It is an arithmetic number, because the mean of its divisors is an integer number (26126100).

Almost surely, 2^345749065 is an apocalyptic number.

It is an amenable number.

345749065 is a deficient number, since it is larger than the sum of its proper divisors (72268535).

345749065 is a wasteful number, since it uses less digits than its factorization.

345749065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its (nonzero) digits is 453600, while the sum is 43.

The square root of 345749065 is about 18594.3288397296. The cubic root of 345749065 is about 701.8651382018.

The spelling of 345749065 in words is "three hundred forty-five million, seven hundred forty-nine thousand, sixty-five".