230444161 has 4 divisors (see below), whose sum is σ = 232819972. Its totient is φ = 228068352.

The previous prime is 230444119. The next prime is 230444171. The reversal of 230444161 is 161444032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 59985025 + 170459136 = 7745^2 + 13056^2 .

It is a cyclic number.

It is not a de Polignac number, because 230444161 - 2⁹ = 230443649 is a prime.

It is a super-2 number, since 2×230444161² = 106209022677987842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (230444171) 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, 1187760 + ... + 1187953.

It is an arithmetic number, because the mean of its divisors is an integer number (58204993).

Almost surely, 2^230444161 is an apocalyptic number.

It is an amenable number.

230444161 is a deficient number, since it is larger than the sum of its proper divisors (2375811).

230444161 is an equidigital number, since it uses as much as digits as its factorization.

230444161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375810.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 230444161 is about 15180.3873797739. The cubic root of 230444161 is about 613.0867112261.

Adding to 230444161 its reverse (161444032), we get a palindrome (391888193).

The spelling of 230444161 in words is "two hundred thirty million, four hundred forty-four thousand, one hundred sixty-one".