6855142 has 8 divisors (see below), whose sum is σ = 11751696. Its totient is φ = 2937912.

The previous prime is 6855139. The next prime is 6855157. The reversal of 6855142 is 2415586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a nialpdrome in base 14.

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, 244813 + ... + 244840.

It is an arithmetic number, because the mean of its divisors is an integer number (1468962).

Almost surely, 2^6855142 is an apocalyptic number.

6855142 is a deficient number, since it is larger than the sum of its proper divisors (4896554).

6855142 is a wasteful number, since it uses less digits than its factorization.

6855142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489662.

The product of its digits is 9600, while the sum is 31.

The square root of 6855142 is about 2618.2326099871. The cubic root of 6855142 is about 189.9643700502.

The spelling of 6855142 in words is "six million, eight hundred fifty-five thousand, one hundred forty-two".