6490143 has 12 divisors (see below), whose sum is σ = 10227048. Its totient is φ = 3933360.

The previous prime is 6490139. The next prime is 6490151. The reversal of 6490143 is 3410946.

6490143 is a `hidden beast` number, since 649 + 0 + 14 + 3 = 666.

It is not a de Polignac number, because 6490143 - 2² = 6490139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6490123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32680 + ... + 32877.

It is an arithmetic number, because the mean of its divisors is an integer number (852254).

Almost surely, 2^6490143 is an apocalyptic number.

6490143 is a deficient number, since it is larger than the sum of its proper divisors (3736905).

6490143 is a wasteful number, since it uses less digits than its factorization.

6490143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65574 (or 65571 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 6490143 is about 2547.5759066218. The cubic root of 6490143 is about 186.5311732877.

The spelling of 6490143 in words is "six million, four hundred ninety thousand, one hundred forty-three".