6454144 has 16 divisors (see below), whose sum is σ = 12858120. Its totient is φ = 3227008.

The previous prime is 6454141. The next prime is 6454157. The reversal of 6454144 is 4414546.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6454141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25084 + ... + 25339.

Almost surely, 2^6454144 is an apocalyptic number.

6454144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6454144 is a deficient number, since it is larger than the sum of its proper divisors (6403976).

6454144 is an equidigital number, since it uses as much as digits as its factorization.

6454144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50437 (or 50425 counting only the distinct ones).

The product of its digits is 7680, while the sum is 28.

The square root of 6454144 is about 2540.5007380436. The cubic root of 6454144 is about 186.1856549946.

The spelling of 6454144 in words is "six million, four hundred fifty-four thousand, one hundred forty-four".