255001144 has 8 divisors (see below), whose sum is σ = 478127160. Its totient is φ = 127500568.

The previous prime is 255001121. The next prime is 255001157. The reversal of 255001144 is 441100552.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15937564 + ... + 15937579.

It is an arithmetic number, because the mean of its divisors is an integer number (59765895).

Almost surely, 2^255001144 is an apocalyptic number.

It is an amenable number.

255001144 is a deficient number, since it is larger than the sum of its proper divisors (223126016).

255001144 is a wasteful number, since it uses less digits than its factorization.

255001144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31875149 (or 31875145 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 255001144 is about 15968.7552426606. The cubic root of 255001144 is about 634.1335188347.

Adding to 255001144 its reverse (441100552), we get a palindrome (696101696).

The spelling of 255001144 in words is "two hundred fifty-five million, one thousand, one hundred forty-four".