345443306 has 16 divisors (see below), whose sum is σ = 558437544. Its totient is φ = 159317184.

The previous prime is 345443299. The next prime is 345443311. The reversal of 345443306 is 603344543.

It can be written as a sum of positive squares in 4 ways, for example, as 278055625 + 67387681 = 16675^2 + 8209^2 .

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, 37820 + ... + 46056.

Almost surely, 2^345443306 is an apocalyptic number.

345443306 is a deficient number, since it is larger than the sum of its proper divisors (212994238).

345443306 is a wasteful number, since it uses less digits than its factorization.

345443306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9865.

The product of its (nonzero) digits is 51840, while the sum is 32.

The square root of 345443306 is about 18586.1051864020. The cubic root of 345443306 is about 701.6581818706.

Adding to 345443306 its reverse (603344543), we get a palindrome (948787849).

The spelling of 345443306 in words is "three hundred forty-five million, four hundred forty-three thousand, three hundred six".