321148 has 6 divisors (see below), whose sum is σ = 562016. Its totient is φ = 160572.

The previous prime is 321143. The next prime is 321163. The reversal of 321148 is 841123.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321143) by changing a digit.

321148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 40140 + ... + 40147.

2³²¹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

321148 is a deficient number, since it is larger than the sum of its proper divisors (240868).

321148 is a wasteful number, since it uses less digits than its factorization.

321148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80291 (or 80289 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 321148 is about 566.6992147515. The cubic root of 321148 is about 68.4807340992.

The spelling of 321148 in words is "three hundred twenty-one thousand, one hundred forty-eight".