320045452 has 12 divisors (see below), whose sum is σ = 560465136. Its totient is φ = 159912560.

The previous prime is 320045423. The next prime is 320045459. The reversal of 320045452 is 254540023.

It is not an unprimeable number, because it can be changed into a prime (320045459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20824 + ... + 32767.

It is an arithmetic number, because the mean of its divisors is an integer number (46705428).

Almost surely, 2^320045452 is an apocalyptic number.

It is an amenable number.

320045452 is a deficient number, since it is larger than the sum of its proper divisors (240419684).

320045452 is a wasteful number, since it uses less digits than its factorization.

320045452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55088 (or 55086 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 320045452 is about 17889.8141969110. The cubic root of 320045452 is about 684.0227612320.

Adding to 320045452 its reverse (254540023), we get a palindrome (574585475).

The spelling of 320045452 in words is "three hundred twenty million, forty-five thousand, four hundred fifty-two".