320148 has 18 divisors (see below), whose sum is σ = 809354. Its totient is φ = 106704.

The previous prime is 320143. The next prime is 320149. The reversal of 320148 is 841023.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 219024 + 101124 = 468^2 + 318^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 320148.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 320148.

It is not an unprimeable number, because it can be changed into a prime (320141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4411 + ... + 4482.

2³²⁰¹⁴⁸ is an apocalyptic number.

It is an amenable number.

320148 is an abundant number, since it is smaller than the sum of its proper divisors (489206).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320148 is a wasteful number, since it uses less digits than its factorization.

320148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8903 (or 8898 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 320148 is about 565.8162245818. The cubic root of 320148 is about 68.4095810935.

It can be divided in two parts, 3201 and 48, that added together give a square (3249 = 57²).

The spelling of 320148 in words is "three hundred twenty thousand, one hundred forty-eight".