255442445 has 8 divisors (see below), whose sum is σ = 308136960. Its totient is φ = 203283280.

The previous prime is 255442427. The next prime is 255442477. The reversal of 255442445 is 544244552.

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

It is not a de Polignac number, because 255442445 - 2¹⁸ = 255180301 is a prime.

It is a congruent number.

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, 132785 + ... + 134694.

It is an arithmetic number, because the mean of its divisors is an integer number (38517120).

Almost surely, 2^255442445 is an apocalyptic number.

It is an amenable number.

255442445 is a deficient number, since it is larger than the sum of its proper divisors (52694515).

255442445 is a wasteful number, since it uses less digits than its factorization.

255442445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267675.

The product of its digits is 128000, while the sum is 35.

The square root of 255442445 is about 15982.5669089793. The cubic root of 255442445 is about 634.4991152075.

Adding to 255442445 its reverse (544244552), we get a palindrome (799686997).

The spelling of 255442445 in words is "two hundred fifty-five million, four hundred forty-two thousand, four hundred forty-five".