306030345 has 32 divisors (see below), whose sum is σ = 527264640. Its totient is φ = 151004160.

The previous prime is 306030343. The next prime is 306030349. The reversal of 306030345 is 543030603.

It is not a de Polignac number, because 306030345 - 2¹ = 306030343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (306030343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4875 + ... + 25215.

It is an arithmetic number, because the mean of its divisors is an integer number (16477020).

Almost surely, 2^306030345 is an apocalyptic number.

It is an amenable number.

306030345 is a deficient number, since it is larger than the sum of its proper divisors (221234295).

306030345 is a wasteful number, since it uses less digits than its factorization.

306030345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20425.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 306030345 is about 17493.7230171282. The cubic root of 306030345 is about 673.8886843728. Note that the first 3 decimals are identical.

Adding to 306030345 its reverse (543030603), we get a palindrome (849060948).

The spelling of 306030345 in words is "three hundred six million, thirty thousand, three hundred forty-five".