232145305 has 8 divisors (see below), whose sum is σ = 318370752. Its totient is φ = 159185328.

The previous prime is 232145299. The next prime is 232145323. The reversal of 232145305 is 503541232.

232145305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 232145305 - 2³ = 232145297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 232145305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3316327 + ... + 3316396.

It is an arithmetic number, because the mean of its divisors is an integer number (39796344).

Almost surely, 2^232145305 is an apocalyptic number.

It is an amenable number.

232145305 is a deficient number, since it is larger than the sum of its proper divisors (86225447).

232145305 is an equidigital number, since it uses as much as digits as its factorization.

232145305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632735.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 232145305 is about 15236.3153354084. The cubic root of 232145305 is about 614.5916208350.

Adding to 232145305 its reverse (503541232), we get a palindrome (735686537).

The spelling of 232145305 in words is "two hundred thirty-two million, one hundred forty-five thousand, three hundred five".