230308145 has 24 divisors (see below), whose sum is σ = 290481408. Its totient is φ = 175111200.

The previous prime is 230308121. The next prime is 230308187. The reversal of 230308145 is 541803032.

It is not a de Polignac number, because 230308145 - 2⁶ = 230308081 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 695630 + ... + 695960.

It is an arithmetic number, because the mean of its divisors is an integer number (12103392).

Almost surely, 2^230308145 is an apocalyptic number.

It is an amenable number.

230308145 is a deficient number, since it is larger than the sum of its proper divisors (60173263).

230308145 is an equidigital number, since it uses as much as digits as its factorization.

230308145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 230308145 is about 15175.9067274414. The cubic root of 230308145 is about 612.9660659274.

The spelling of 230308145 in words is "two hundred thirty million, three hundred eight thousand, one hundred forty-five".