255422345 has 4 divisors (see below), whose sum is σ = 306506820. Its totient is φ = 204337872.

The previous prime is 255422341. The next prime is 255422347. The reversal of 255422345 is 543224552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103713856 + 151708489 = 10184^2 + 12317^2 .

It is a cyclic number.

It is not a de Polignac number, because 255422345 - 2² = 255422341 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255422341) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25542230 + ... + 25542239.

It is an arithmetic number, because the mean of its divisors is an integer number (76626705).

Almost surely, 2^255422345 is an apocalyptic number.

It is an amenable number.

255422345 is a deficient number, since it is larger than the sum of its proper divisors (51084475).

255422345 is an equidigital number, since it uses as much as digits as its factorization.

255422345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51084474.

The product of its digits is 48000, while the sum is 32.

The square root of 255422345 is about 15981.9380864775. The cubic root of 255422345 is about 634.4824724934.

Adding to 255422345 its reverse (543224552), we get a palindrome (798646897).

The spelling of 255422345 in words is "two hundred fifty-five million, four hundred twenty-two thousand, three hundred forty-five".