30461146 has 8 divisors (see below), whose sum is σ = 45947520. Its totient is φ = 15145308.

The previous prime is 30461141. The next prime is 30461153. The reversal of 30461146 is 64116403.

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 30461146.

It is not an unprimeable number, because it can be changed into a prime (30461141) 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 3 ways as a sum of consecutive naturals, for example, 42186 + ... + 42901.

It is an arithmetic number, because the mean of its divisors is an integer number (5743440).

Almost surely, 2^30461146 is an apocalyptic number.

30461146 is a deficient number, since it is larger than the sum of its proper divisors (15486374).

30461146 is a wasteful number, since it uses less digits than its factorization.

30461146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85268.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30461146 is about 5519.1617117095. The cubic root of 30461146 is about 312.3072594946.

Adding to 30461146 its reverse (64116403), we get a palindrome (94577549).

The spelling of 30461146 in words is "thirty million, four hundred sixty-one thousand, one hundred forty-six".