230312145 has 16 divisors (see below), whose sum is σ = 421142400. Its totient is φ = 105285504.

The previous prime is 230312123. The next prime is 230312191. The reversal of 230312145 is 541213032.

230312145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 230312145 - 2⁶ = 230312081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096620 + ... + 1096829.

It is an arithmetic number, because the mean of its divisors is an integer number (26321400).

Almost surely, 2^230312145 is an apocalyptic number.

It is an amenable number.

230312145 is a deficient number, since it is larger than the sum of its proper divisors (190830255).

230312145 is a wasteful number, since it uses less digits than its factorization.

230312145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2193464.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 230312145 is about 15176.0385147113. The cubic root of 230312145 is about 612.9696145789.

Adding to 230312145 its reverse (541213032), we get a palindrome (771525177).

The spelling of 230312145 in words is "two hundred thirty million, three hundred twelve thousand, one hundred forty-five".