185412147 has 8 divisors (see below), whose sum is σ = 255191040. Its totient is φ = 119620680.

The previous prime is 185412121. The next prime is 185412151. The reversal of 185412147 is 741214581.

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

It is not a de Polignac number, because 185412147 - 2⁶ = 185412083 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (185412197) 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 7 ways as a sum of consecutive naturals, for example, 996747 + ... + 996932.

It is an arithmetic number, because the mean of its divisors is an integer number (31898880).

Almost surely, 2^185412147 is an apocalyptic number.

185412147 is a deficient number, since it is larger than the sum of its proper divisors (69778893).

185412147 is a wasteful number, since it uses less digits than its factorization.

185412147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1993713.

The product of its digits is 8960, while the sum is 33.

The square root of 185412147 is about 13616.6129048306. The cubic root of 185412147 is about 570.2247467064.

The spelling of 185412147 in words is "one hundred eighty-five million, four hundred twelve thousand, one hundred forty-seven".