230425645 has 8 divisors (see below), whose sum is σ = 278958456. Its totient is φ = 182708736.

The previous prime is 230425639. The next prime is 230425649. The reversal of 230425645 is 546524032.

It can be written as a sum of positive squares in 4 ways, for example, as 15539364 + 214886281 = 3942^2 + 14659^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 230425645 - 2⁹ = 230425133 is a prime.

It is a super-3 number, since 3×230425645³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230425649) 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, 203352 + ... + 204481.

It is an arithmetic number, because the mean of its divisors is an integer number (34869807).

Almost surely, 2^230425645 is an apocalyptic number.

It is an amenable number.

230425645 is a deficient number, since it is larger than the sum of its proper divisors (48532811).

230425645 is a wasteful number, since it uses less digits than its factorization.

230425645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407951.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 230425645 is about 15179.7775016632. Note that the first 3 decimals coincide. The cubic root of 230425645 is about 613.0702904476.

Adding to 230425645 its reverse (546524032), we get a palindrome (776949677).

The spelling of 230425645 in words is "two hundred thirty million, four hundred twenty-five thousand, six hundred forty-five".