30306245 has 8 divisors (see below), whose sum is σ = 36408960. Its totient is φ = 24217360.

The previous prime is 30306233. The next prime is 30306319. The reversal of 30306245 is 54260303.

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

It is not a de Polignac number, because 30306245 - 2¹⁶ = 30240709 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30306245.

It is a congruent 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, 2216 + ... + 8094.

It is an arithmetic number, because the mean of its divisors is an integer number (4551120).

Almost surely, 2^30306245 is an apocalyptic number.

It is an amenable number.

30306245 is a deficient number, since it is larger than the sum of its proper divisors (6102715).

30306245 is a wasteful number, since it uses less digits than its factorization.

30306245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6915.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30306245 is about 5505.1108072408. The cubic root of 30306245 is about 311.7769780558.

Adding to 30306245 its reverse (54260303), we get a palindrome (84566548).

The spelling of 30306245 in words is "thirty million, three hundred six thousand, two hundred forty-five".