256283545 has 16 divisors (see below), whose sum is σ = 351734400. Its totient is φ = 175607424.

The previous prime is 256283539. The next prime is 256283557. The reversal of 256283545 is 545382652.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 256283545 - 2⁹ = 256283033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 256283498 and 256283507.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93109 + ... + 95821.

It is an arithmetic number, because the mean of its divisors is an integer number (21983400).

Almost surely, 2^256283545 is an apocalyptic number.

It is an amenable number.

256283545 is a deficient number, since it is larger than the sum of its proper divisors (95450855).

256283545 is a wasteful number, since it uses less digits than its factorization.

256283545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5424.

The product of its digits is 288000, while the sum is 40.

The square root of 256283545 is about 16008.8583290627. The cubic root of 256283545 is about 635.1947611816.

The spelling of 256283545 in words is "two hundred fifty-six million, two hundred eighty-three thousand, five hundred forty-five".