320144482 has 16 divisors (see below), whose sum is σ = 562205952. Its totient is φ = 133858080.

The previous prime is 320144453. The next prime is 320144483. The reversal of 320144482 is 284441023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320144482.

It is not an unprimeable number, because it can be changed into a prime (320144483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278298 + ... + 279445.

It is an arithmetic number, because the mean of its divisors is an integer number (35137872).

Almost surely, 2^320144482 is an apocalyptic number.

320144482 is a deficient number, since it is larger than the sum of its proper divisors (242061470).

320144482 is a wasteful number, since it uses less digits than its factorization.

320144482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557793.

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 320144482 is about 17892.5817589302. The cubic root of 320144482 is about 684.0933051586.

The spelling of 320144482 in words is "three hundred twenty million, one hundred forty-four thousand, four hundred eighty-two".