230403545 has 4 divisors (see below), whose sum is σ = 276484260. Its totient is φ = 184322832.

The previous prime is 230403539. The next prime is 230403583. The reversal of 230403545 is 545304032.

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 46963609 + 183439936 = 6853^2 + 13544^2 .

It is a cyclic number.

It is not a de Polignac number, because 230403545 - 2⁴ = 230403529 is a prime.

It is a Curzon number.

It is an unprimeable number.

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, 23040350 + ... + 23040359.

It is an arithmetic number, because the mean of its divisors is an integer number (69121065).

Almost surely, 2^230403545 is an apocalyptic number.

It is an amenable number.

230403545 is a deficient number, since it is larger than the sum of its proper divisors (46080715).

230403545 is an equidigital number, since it uses as much as digits as its factorization.

230403545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46080714.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 230403545 is about 15179.0495420497. The cubic root of 230403545 is about 613.0506900734.

Adding to 230403545 its reverse (545304032), we get a palindrome (775707577).

The spelling of 230403545 in words is "two hundred thirty million, four hundred three thousand, five hundred forty-five".