819148 has 12 divisors (see below), whose sum is σ = 1563912. Its totient is φ = 372320.

The previous prime is 819131. The next prime is 819149. The reversal of 819148 is 841918.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (819149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9265 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (130326).

2⁸¹⁹¹⁴⁸ is an apocalyptic number.

It is an amenable number.

819148 is a deficient number, since it is larger than the sum of its proper divisors (744764).

819148 is a wasteful number, since it uses less digits than its factorization.

819148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18632 (or 18630 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

The square root of 819148 is about 905.0679532499. The cubic root of 819148 is about 93.5665877772.

It can be divided in two parts, 81 and 9148, that added together give a palindrome (9229).

The spelling of 819148 in words is "eight hundred nineteen thousand, one hundred forty-eight".