30446143186 has 8 divisors (see below), whose sum is σ = 45693603324. Its totient is φ = 15214942080.

The previous prime is 30446143159. The next prime is 30446143187. The reversal of 30446143186 is 68134164403.

It can be written as a sum of positive squares in 2 ways, for example, as 30143557161 + 302586025 = 173619^2 + 17395^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30446143187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4060075 + ... + 4067566.

Almost surely, 2^30446143186 is an apocalyptic number.

30446143186 is a deficient number, since it is larger than the sum of its proper divisors (15247460138).

30446143186 is a wasteful number, since it uses less digits than its factorization.

30446143186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8129516.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 30446143186 in words is "thirty billion, four hundred forty-six million, one hundred forty-three thousand, one hundred eighty-six".