857148 has 12 divisors (see below), whose sum is σ = 2000040. Its totient is φ = 285712.

The previous prime is 857137. The next prime is 857161. The reversal of 857148 is 841758.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 35703 + ... + 35726.

It is an arithmetic number, because the mean of its divisors is an integer number (166670).

2⁸⁵⁷¹⁴⁸ is an apocalyptic number.

It is an amenable number.

857148 is an abundant number, since it is smaller than the sum of its proper divisors (1142892).

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

857148 is a wasteful number, since it uses less digits than its factorization.

857148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71436 (or 71434 counting only the distinct ones).

The product of its digits is 8960, while the sum is 33.

The square root of 857148 is about 925.8228772287. The cubic root of 857148 is about 94.9916151418.

The spelling of 857148 in words is "eight hundred fifty-seven thousand, one hundred forty-eight".