30056146 has 8 divisors (see below), whose sum is σ = 45719424. Its totient is φ = 14816340.

The previous prime is 30056123. The next prime is 30056189. The reversal of 30056146 is 64165003.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30056146.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105690 + ... + 105973.

It is an arithmetic number, because the mean of its divisors is an integer number (5714928).

Almost surely, 2^30056146 is an apocalyptic number.

30056146 is a deficient number, since it is larger than the sum of its proper divisors (15663278).

30056146 is a wasteful number, since it uses less digits than its factorization.

30056146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211736.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 30056146 is about 5482.3485843204. The cubic root of 30056146 is about 310.9169727667.

The spelling of 30056146 in words is "thirty million, fifty-six thousand, one hundred forty-six".