255145641 has 8 divisors (see below), whose sum is σ = 340307520. Its totient is φ = 170040432.

The previous prime is 255145633. The next prime is 255145643. The reversal of 255145641 is 146541552.

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

It is not a de Polignac number, because 255145641 - 2³ = 255145633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255145643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2221 + ... + 22698.

It is an arithmetic number, because the mean of its divisors is an integer number (42538440).

Almost surely, 2^255145641 is an apocalyptic number.

It is an amenable number.

255145641 is a deficient number, since it is larger than the sum of its proper divisors (85161879).

255145641 is a wasteful number, since it uses less digits than its factorization.

255145641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28335.

The product of its digits is 24000, while the sum is 33.

The square root of 255145641 is about 15973.2789683271. The cubic root of 255145641 is about 634.2532739693.

The spelling of 255145641 in words is "two hundred fifty-five million, one hundred forty-five thousand, six hundred forty-one".