30304245 has 16 divisors (see below), whose sum is σ = 48563712. Its totient is φ = 16136640.

The previous prime is 30304243. The next prime is 30304247. The reversal of 30304245 is 54240303.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (30304243) and next prime (30304247).

It is not a de Polignac number, because 30304245 - 2¹ = 30304243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30304243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11775 + ... + 14115.

It is an arithmetic number, because the mean of its divisors is an integer number (3035232).

Almost surely, 2^30304245 is an apocalyptic number.

It is an amenable number.

30304245 is a deficient number, since it is larger than the sum of its proper divisors (18259467).

30304245 is a wasteful number, since it uses less digits than its factorization.

30304245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 30304245 is about 5504.9291548575. The cubic root of 30304245 is about 311.7701195390.

Adding to 30304245 its reverse (54240303), we get a palindrome (84544548).

The spelling of 30304245 in words is "thirty million, three hundred four thousand, two hundred forty-five".