345049759 has 16 divisors (see below), whose sum is σ = 361088640. Its totient is φ = 329444640.

The previous prime is 345049693. The next prime is 345049787. The reversal of 345049759 is 957940543.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 345049759 - 2⁷ = 345049631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345349759) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 702504 + ... + 702994.

It is an arithmetic number, because the mean of its divisors is an integer number (22568040).

Almost surely, 2^345049759 is an apocalyptic number.

345049759 is a deficient number, since it is larger than the sum of its proper divisors (16038881).

345049759 is a wasteful number, since it uses less digits than its factorization.

345049759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870.

The product of its (nonzero) digits is 680400, while the sum is 46.

The square root of 345049759 is about 18575.5150399659. The cubic root of 345049759 is about 701.3916254422.

The spelling of 345049759 in words is "three hundred forty-five million, forty-nine thousand, seven hundred fifty-nine".