255847146 has 16 divisors (see below), whose sum is σ = 512063904. Its totient is φ = 85220784.

The previous prime is 255847133. The next prime is 255847157. The reversal of 255847146 is 641748552.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 255847098 and 255847107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5956 + ... + 23391.

It is an arithmetic number, because the mean of its divisors is an integer number (32003994).

Almost surely, 2^255847146 is an apocalyptic number.

255847146 is an abundant number, since it is smaller than the sum of its proper divisors (256216758).

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

255847146 is a wasteful number, since it uses less digits than its factorization.

255847146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30805.

The product of its digits is 268800, while the sum is 42.

The square root of 255847146 is about 15995.2225992638. Note that the first 3 decimals coincide. The cubic root of 255847146 is about 634.8340203139.

The spelling of 255847146 in words is "two hundred fifty-five million, eight hundred forty-seven thousand, one hundred forty-six".