30225845 has 8 divisors (see below), whose sum is σ = 39061176. Its totient is φ = 22320576.

The previous prime is 30225829. The next prime is 30225851. The reversal of 30225845 is 54852203.

It can be written as a sum of positive squares in 4 ways, for example, as 4844401 + 25381444 = 2201^2 + 5038^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30225845 - 2⁴ = 30225829 is a prime.

It is a Duffinian number.

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, 232442 + ... + 232571.

It is an arithmetic number, because the mean of its divisors is an integer number (4882647).

Almost surely, 2^30225845 is an apocalyptic number.

It is an amenable number.

30225845 is a deficient number, since it is larger than the sum of its proper divisors (8835331).

30225845 is a wasteful number, since it uses less digits than its factorization.

30225845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465031.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 30225845 is about 5497.8036523688. The cubic root of 30225845 is about 311.5010275759.

The spelling of 30225845 in words is "thirty million, two hundred twenty-five thousand, eight hundred forty-five".