30182147 has 4 divisors (see below), whose sum is σ = 30315336. Its totient is φ = 30048960.

The previous prime is 30182137. The next prime is 30182149. The reversal of 30182147 is 74128103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30182147 - 2⁸ = 30181891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30182149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66254 + ... + 66707.

It is an arithmetic number, because the mean of its divisors is an integer number (7578834).

Almost surely, 2^30182147 is an apocalyptic number.

30182147 is a deficient number, since it is larger than the sum of its proper divisors (133189).

30182147 is a wasteful number, since it uses less digits than its factorization.

30182147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133188.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 30182147 is about 5493.8280824940. The cubic root of 30182147 is about 311.3508411283.

The spelling of 30182147 in words is "thirty million, one hundred eighty-two thousand, one hundred forty-seven".