230729245 has 4 divisors (see below), whose sum is σ = 276875100. Its totient is φ = 184583392.

The previous prime is 230729201. The next prime is 230729269. The reversal of 230729245 is 542927032.

It is a happy number.

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 140801956 + 89927289 = 11866^2 + 9483^2 .

It is a cyclic number.

It is not a de Polignac number, because 230729245 - 2¹³ = 230721053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 230729245.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23072920 + ... + 23072929.

It is an arithmetic number, because the mean of its divisors is an integer number (69218775).

Almost surely, 2^230729245 is an apocalyptic number.

It is an amenable number.

230729245 is a deficient number, since it is larger than the sum of its proper divisors (46145855).

230729245 is an equidigital number, since it uses as much as digits as its factorization.

230729245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46145854.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 230729245 is about 15189.7743564544. The cubic root of 230729245 is about 613.3394249224.

The spelling of 230729245 in words is "two hundred thirty million, seven hundred twenty-nine thousand, two hundred forty-five".