255545143 has 6 divisors (see below), whose sum is σ = 297266856. Its totient is φ = 219038652.

The previous prime is 255545119. The next prime is 255545161. The reversal of 255545143 is 341545552.

It is not a de Polignac number, because 255545143 - 2²¹ = 253447991 is a prime.

It is a super-2 number, since 2×255545143² = 130606640221780898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255545099 and 255545108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255545113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2607555 + ... + 2607652.

It is an arithmetic number, because the mean of its divisors is an integer number (49544476).

Almost surely, 2^255545143 is an apocalyptic number.

255545143 is a deficient number, since it is larger than the sum of its proper divisors (41721713).

255545143 is an equidigital number, since it uses as much as digits as its factorization.

255545143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215221 (or 5215214 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 255545143 is about 15985.7793992035. The cubic root of 255545143 is about 634.5841350894.

The spelling of 255545143 in words is "two hundred fifty-five million, five hundred forty-five thousand, one hundred forty-three".