230032145 has 32 divisors (see below), whose sum is σ = 341088000. Its totient is φ = 145380096.

The previous prime is 230032141. The next prime is 230032163. The reversal of 230032145 is 541230032.

It is a happy number.

It is not a de Polignac number, because 230032145 - 2² = 230032141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (230032141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19931 + ... + 29279.

It is an arithmetic number, because the mean of its divisors is an integer number (10659000).

Almost surely, 2^230032145 is an apocalyptic number.

It is an amenable number.

230032145 is a deficient number, since it is larger than the sum of its proper divisors (111055855).

230032145 is a wasteful number, since it uses less digits than its factorization.

230032145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9417.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 230032145 is about 15166.8106403423. The cubic root of 230032145 is about 612.7211096752.

Adding to 230032145 its reverse (541230032), we get a palindrome (771262177).

The spelling of 230032145 in words is "two hundred thirty million, thirty-two thousand, one hundred forty-five".