345649105 has 8 divisors (see below), whose sum is σ = 416011752. Its totient is φ = 275697408.

The previous prime is 345649091. The next prime is 345649123. The reversal of 345649105 is 501946543.

It can be written as a sum of positive squares in 4 ways, for example, as 2954961 + 342694144 = 1719^2 + 18512^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345649105 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, 100882 + ... + 104251.

It is an arithmetic number, because the mean of its divisors is an integer number (52001469).

Almost surely, 2^345649105 is an apocalyptic number.

It is an amenable number.

345649105 is a deficient number, since it is larger than the sum of its proper divisors (70362647).

345649105 is a wasteful number, since it uses less digits than its factorization.

345649105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205475.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 345649105 is about 18591.6407291019. The cubic root of 345649105 is about 701.7974926089.

The spelling of 345649105 in words is "three hundred forty-five million, six hundred forty-nine thousand, one hundred five".