6418145 has 8 divisors (see below), whose sum is σ = 7722600. Its totient is φ = 5120640.

The previous prime is 6418133. The next prime is 6418171. The reversal of 6418145 is 5418146.

It can be written as a sum of positive squares in 4 ways, for example, as 430336 + 5987809 = 656^2 + 2447^2 .

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

It is not a de Polignac number, because 6418145 - 2⁸ = 6417889 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581 + ... + 3629.

It is an arithmetic number, because the mean of its divisors is an integer number (965325).

Almost surely, 2^6418145 is an apocalyptic number.

It is an amenable number.

6418145 is a deficient number, since it is larger than the sum of its proper divisors (1304455).

6418145 is a wasteful number, since it uses less digits than its factorization.

6418145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3475.

The product of its digits is 3840, while the sum is 29.

The square root of 6418145 is about 2533.4058103667. The cubic root of 6418145 is about 185.8388495126.

Subtracting from 6418145 its reverse (5418146), we obtain a palindrome (999999).

The spelling of 6418145 in words is "six million, four hundred eighteen thousand, one hundred forty-five".