230022145 has 4 divisors (see below), whose sum is σ = 276026580. Its totient is φ = 184017712.

The previous prime is 230022137. The next prime is 230022187. The reversal of 230022145 is 541220032.

230022145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 135699201 + 94322944 = 11649^2 + 9712^2 .

It is a cyclic number.

It is not a de Polignac number, because 230022145 - 2³ = 230022137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23002210 + ... + 23002219.

It is an arithmetic number, because the mean of its divisors is an integer number (69006645).

Almost surely, 2^230022145 is an apocalyptic number.

It is an amenable number.

230022145 is a deficient number, since it is larger than the sum of its proper divisors (46004435).

230022145 is an equidigital number, since it uses as much as digits as its factorization.

230022145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46004434.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 230022145 is about 15166.4809695592. The cubic root of 230022145 is about 612.7122307714.

Adding to 230022145 its reverse (541220032), we get a palindrome (771242177).

The spelling of 230022145 in words is "two hundred thirty million, twenty-two thousand, one hundred forty-five".