385143 has 12 divisors (see below), whose sum is σ = 564984. Its totient is φ = 233200.

The previous prime is 385141. The next prime is 385153. The reversal of 385143 is 341583.

It is not a de Polignac number, because 385143 - 2¹ = 385141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168 + ... + 893.

It is an arithmetic number, because the mean of its divisors is an integer number (47082).

2³⁸⁵¹⁴³ is an apocalyptic number.

385143 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

385143 is a deficient number, since it is larger than the sum of its proper divisors (179841).

385143 is a wasteful number, since it uses less digits than its factorization.

385143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1075 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 385143 is about 620.5989042852. The cubic root of 385143 is about 72.7568692513.

It can be divided in two parts, 385 and 143, that multiplied together give a palindrome (55055).

The spelling of 385143 in words is "three hundred eighty-five thousand, one hundred forty-three".