320132144 has 10 divisors (see below), whose sum is σ = 620256060. Its totient is φ = 160066064.

The previous prime is 320132129. The next prime is 320132149. The reversal of 320132144 is 441231023.

320132144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (320132149) 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 as a sum of consecutive naturals, namely, 10004114 + ... + 10004145.

It is an arithmetic number, because the mean of its divisors is an integer number (62025606).

Almost surely, 2^320132144 is an apocalyptic number.

It is an amenable number.

320132144 is a deficient number, since it is larger than the sum of its proper divisors (300123916).

320132144 is a wasteful number, since it uses less digits than its factorization.

320132144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20008267 (or 20008261 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 320132144 is about 17892.2369758507. The cubic root of 320132144 is about 684.0845169894.

Adding to 320132144 its reverse (441231023), we get a palindrome (761363167).

The spelling of 320132144 in words is "three hundred twenty million, one hundred thirty-two thousand, one hundred forty-four".