230045309 has 8 divisors (see below), whose sum is σ = 262314360. Its totient is φ = 199858176.

The previous prime is 230045273. The next prime is 230045359. The reversal of 230045309 is 903540032.

It can be written as a sum of positive squares in 4 ways, for example, as 98942809 + 131102500 = 9947^2 + 11450^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 230045309 - 2¹² = 230041213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230045359) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 520244 + ... + 520685.

It is an arithmetic number, because the mean of its divisors is an integer number (32789295).

Almost surely, 2^230045309 is an apocalyptic number.

It is an amenable number.

230045309 is a deficient number, since it is larger than the sum of its proper divisors (32269051).

230045309 is a wasteful number, since it uses less digits than its factorization.

230045309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040959.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 230045309 is about 15167.2446080361. The cubic root of 230045309 is about 612.7327974719.

The spelling of 230045309 in words is "two hundred thirty million, forty-five thousand, three hundred nine".