255510145 has 8 divisors (see below), whose sum is σ = 334486080. Its totient is φ = 185825520.

The previous prime is 255510133. The next prime is 255510169. The reversal of 255510145 is 541015552.

255510145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 255510145 - 2⁵ = 255510113 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2322765 + ... + 2322874.

It is an arithmetic number, because the mean of its divisors is an integer number (41810760).

Almost surely, 2^255510145 is an apocalyptic number.

It is an amenable number.

255510145 is a deficient number, since it is larger than the sum of its proper divisors (78975935).

255510145 is a wasteful number, since it uses less digits than its factorization.

255510145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645655.

The product of its (nonzero) digits is 5000, while the sum is 28.

The square root of 255510145 is about 15984.6847013008. The cubic root of 255510145 is about 634.5551640966. Note that the first 3 decimals are identical.

Adding to 255510145 its reverse (541015552), we get a palindrome (796525697).

The spelling of 255510145 in words is "two hundred fifty-five million, five hundred ten thousand, one hundred forty-five".