7143085 has 8 divisors (see below), whose sum is σ = 8587800. Its totient is φ = 5703744.

The previous prime is 7143083. The next prime is 7143089. The reversal of 7143085 is 5803417.

It can be written as a sum of positive squares in 4 ways, for example, as 3709476 + 3433609 = 1926^2 + 1853^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7143085 - 2¹ = 7143083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7143083) 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, 2691 + ... + 4639.

It is an arithmetic number, because the mean of its divisors is an integer number (1073475).

Almost surely, 2^7143085 is an apocalyptic number.

It is an amenable number.

7143085 is a deficient number, since it is larger than the sum of its proper divisors (1444715).

7143085 is a wasteful number, since it uses less digits than its factorization.

7143085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2687.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 7143085 is about 2672.6550469524. The cubic root of 7143085 is about 192.5877263614.

The spelling of 7143085 in words is "seven million, one hundred forty-three thousand, eighty-five".