230544785 has 8 divisors (see below), whose sum is σ = 276741096. Its totient is φ = 184377600.

The previous prime is 230544781. The next prime is 230544791. The reversal of 230544785 is 587445032.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34656769 + 195888016 = 5887^2 + 13996^2 .

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

It is not a de Polignac number, because 230544785 - 2² = 230544781 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (230544781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18335 + ... + 28235.

It is an arithmetic number, because the mean of its divisors is an integer number (34592637).

Almost surely, 2^230544785 is an apocalyptic number.

It is an amenable number.

230544785 is a deficient number, since it is larger than the sum of its proper divisors (46196311).

230544785 is an equidigital number, since it uses as much as digits as its factorization.

230544785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14563.

The product of its (nonzero) digits is 134400, while the sum is 38.

The square root of 230544785 is about 15183.7012944802. The cubic root of 230544785 is about 613.1759335059.

The spelling of 230544785 in words is "two hundred thirty million, five hundred forty-four thousand, seven hundred eighty-five".