30182745 has 16 divisors (see below), whose sum is σ = 48585600. Its totient is φ = 15999744.

The previous prime is 30182743. The next prime is 30182749. The reversal of 30182745 is 54728103.

It is not a de Polignac number, because 30182745 - 2¹ = 30182743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30182743) 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 15 ways as a sum of consecutive naturals, for example, 3520 + ... + 8529.

It is an arithmetic number, because the mean of its divisors is an integer number (3036600).

Almost surely, 2^30182745 is an apocalyptic number.

It is an amenable number.

30182745 is a deficient number, since it is larger than the sum of its proper divisors (18402855).

30182745 is a wasteful number, since it uses less digits than its factorization.

30182745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12224.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 30182745 is about 5493.8825069344. The cubic root of 30182745 is about 311.3528973833.

The spelling of 30182745 in words is "thirty million, one hundred eighty-two thousand, seven hundred forty-five".