230145345 has 24 divisors (see below), whose sum is σ = 406449576. Its totient is φ = 120427008.

The previous prime is 230145343. The next prime is 230145353. The reversal of 230145345 is 543541032.

It can be written as a sum of positive squares in 4 ways, for example, as 4875264 + 225270081 = 2208^2 + 15009^2 .

It is not a de Polignac number, because 230145345 - 2¹ = 230145343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230145343) 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 23 ways as a sum of consecutive naturals, for example, 45864 + ... + 50633.

It is an arithmetic number, because the mean of its divisors is an integer number (16935399).

Almost surely, 2^230145345 is an apocalyptic number.

It is an amenable number.

230145345 is a deficient number, since it is larger than the sum of its proper divisors (176304231).

230145345 is a wasteful number, since it uses less digits than its factorization.

230145345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96561 (or 96558 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 230145345 is about 15170.5420140481. The cubic root of 230145345 is about 612.8216009279.

Adding to 230145345 its reverse (543541032), we get a palindrome (773686377).

The spelling of 230145345 in words is "two hundred thirty million, one hundred forty-five thousand, three hundred forty-five".