6143256 has 128 divisors (see below), whose sum is σ = 20736000. Its totient is φ = 1645056.

The previous prime is 6143243. The next prime is 6143279. The reversal of 6143256 is 6523416.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 25585 + ... + 25823.

It is an arithmetic number, because the mean of its divisors is an integer number (162000).

Almost surely, 2^6143256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6143256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10368000).

6143256 is an abundant number, since it is smaller than the sum of its proper divisors (14592744).

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

6143256 is a wasteful number, since it uses less digits than its factorization.

6143256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 268 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 6143256 is about 2478.5592589244. The cubic root of 6143256 is about 183.1468855640.

The spelling of 6143256 in words is "six million, one hundred forty-three thousand, two hundred fifty-six".