255750745 has 8 divisors (see below), whose sum is σ = 307994760. Its totient is φ = 203871360.

The previous prime is 255750721. The next prime is 255750757. The reversal of 255750745 is 547057552.

It can be written as a sum of positive squares in 4 ways, for example, as 36385024 + 219365721 = 6032^2 + 14811^2 .

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

It is not a de Polignac number, because 255750745 - 2⁹ = 255750233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255750698 and 255750707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89610 + ... + 92419.

It is an arithmetic number, because the mean of its divisors is an integer number (38499345).

Almost surely, 2^255750745 is an apocalyptic number.

It is an amenable number.

255750745 is a deficient number, since it is larger than the sum of its proper divisors (52244015).

255750745 is a wasteful number, since it uses less digits than its factorization.

255750745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182315.

The product of its (nonzero) digits is 245000, while the sum is 40.

The square root of 255750745 is about 15992.2088843286. The cubic root of 255750745 is about 634.7542769680.

It can be divided in two parts, 2557507 and 45, that added together give a palindrome (2557552).

The spelling of 255750745 in words is "two hundred fifty-five million, seven hundred fifty thousand, seven hundred forty-five".