230155441 has 2 divisors, whose sum is σ = 230155442. Its totient is φ = 230155440.

The previous prime is 230155433. The next prime is 230155477. The reversal of 230155441 is 144551032.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164480625 + 65674816 = 12825^2 + 8104^2 .

It is a cyclic number.

It is not a de Polignac number, because 230155441 - 2³ = 230155433 is a prime.

It is not a weakly prime, because it can be changed into another prime (230159441) 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 as a sum of consecutive naturals, namely, 115077720 + 115077721.

It is an arithmetic number, because the mean of its divisors is an integer number (115077721).

Almost surely, 2^230155441 is an apocalyptic number.

It is an amenable number.

230155441 is a deficient number, since it is larger than the sum of its proper divisors (1).

230155441 is an equidigital number, since it uses as much as digits as its factorization.

230155441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 230155441 is about 15170.8747605403. The cubic root of 230155441 is about 612.8305618687.

The spelling of 230155441 in words is "two hundred thirty million, one hundred fifty-five thousand, four hundred forty-one".