6144540 has 24 divisors (see below), whose sum is σ = 17204880. Its totient is φ = 1638528.

The previous prime is 6144539. The next prime is 6144557. The reversal of 6144540 is 454416.

It is a self number, because there is not a number n which added to its sum of digits gives 6144540.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51145 + ... + 51264.

It is an arithmetic number, because the mean of its divisors is an integer number (716870).

Almost surely, 2^6144540 is an apocalyptic number.

6144540 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6144540 is an abundant number, since it is smaller than the sum of its proper divisors (11060340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6144540 is a wasteful number, since it uses less digits than its factorization.

6144540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102421 (or 102419 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 6144540 is about 2478.8182668360. The cubic root of 6144540 is about 183.1596444994.

Adding to 6144540 its reverse (454416), we get a palindrome (6598956).

The spelling of 6144540 in words is "six million, one hundred forty-four thousand, five hundred forty".