30182245 has 8 divisors (see below), whose sum is σ = 36248184. Its totient is φ = 24126144.

The previous prime is 30182213. The next prime is 30182249. The reversal of 30182245 is 54228103.

It can be written as a sum of positive squares in 4 ways, for example, as 9443329 + 20738916 = 3073^2 + 4554^2 .

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 30182245 - 2⁵ = 30182213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30182249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10947 + ... + 13423.

It is an arithmetic number, because the mean of its divisors is an integer number (4531023).

Almost surely, 2^30182245 is an apocalyptic number.

It is an amenable number.

30182245 is a deficient number, since it is larger than the sum of its proper divisors (6065939).

30182245 is a wasteful number, since it uses less digits than its factorization.

30182245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4919.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 30182245 is about 5493.8370015864. The cubic root of 30182245 is about 311.3511781084.

The spelling of 30182245 in words is "thirty million, one hundred eighty-two thousand, two hundred forty-five".