3145256 has 8 divisors (see below), whose sum is σ = 5897370. Its totient is φ = 1572624.

The previous prime is 3145249. The next prime is 3145283. The reversal of 3145256 is 6525413.

It can be written as a sum of positive squares in only one way, i.e., 2353156 + 792100 = 1534^2 + 890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 196571 + ... + 196586.

Almost surely, 2^3145256 is an apocalyptic number.

It is an amenable number.

3145256 is a deficient number, since it is larger than the sum of its proper divisors (2752114).

3145256 is a wasteful number, since it uses less digits than its factorization.

3145256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393163 (or 393159 counting only the distinct ones).

The product of its digits is 3600, while the sum is 26.

The square root of 3145256 is about 1773.4869607640. The cubic root of 3145256 is about 146.5160943230.

The spelling of 3145256 in words is "three million, one hundred forty-five thousand, two hundred fifty-six".