320144152 has 16 divisors (see below), whose sum is σ = 602965440. Its totient is φ = 159353376.

The previous prime is 320144147. The next prime is 320144173. The reversal of 320144152 is 251441023.

320144152 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87943 + ... + 91510.

It is an arithmetic number, because the mean of its divisors is an integer number (37685340).

Almost surely, 2^320144152 is an apocalyptic number.

It is an amenable number.

320144152 is a deficient number, since it is larger than the sum of its proper divisors (282821288).

320144152 is a wasteful number, since it uses less digits than its factorization.

320144152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179682 (or 179678 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 320144152 is about 17892.5725372290. The cubic root of 320144152 is about 684.0930701075.

Adding to 320144152 its reverse (251441023), we get a palindrome (571585175).

The spelling of 320144152 in words is "three hundred twenty million, one hundred forty-four thousand, one hundred fifty-two".