256148 has 6 divisors (see below), whose sum is σ = 448266. Its totient is φ = 128072.

The previous prime is 256147. The next prime is 256163. The reversal of 256148 is 841652.

256148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 145924 + 110224 = 382^2 + 332^2 .

It is a super-2 number, since 2×256148² = 131223595808, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 256148.

It is not an unprimeable number, because it can be changed into a prime (256147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32015 + ... + 32022.

It is an arithmetic number, because the mean of its divisors is an integer number (74711).

2²⁵⁶¹⁴⁸ is an apocalyptic number.

It is an amenable number.

256148 is a deficient number, since it is larger than the sum of its proper divisors (192118).

256148 is a wasteful number, since it uses less digits than its factorization.

256148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64041 (or 64039 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 256148 is about 506.1106598364. The cubic root of 256148 is about 63.5082759379.

It can be divided in two parts, 256 and 148, that added together give a palindrome (404).

The spelling of 256148 in words is "two hundred fifty-six thousand, one hundred forty-eight".