6305144 has 32 divisors (see below), whose sum is σ = 12398400. Its totient is φ = 3002880.

The previous prime is 6305141. The next prime is 6305149. The reversal of 6305144 is 4415036.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6305141) 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, 15212 + ... + 15620.

It is an arithmetic number, because the mean of its divisors is an integer number (387450).

Almost surely, 2^6305144 is an apocalyptic number.

It is an amenable number.

6305144 is a deficient number, since it is larger than the sum of its proper divisors (6093256).

6305144 is a wasteful number, since it uses less digits than its factorization.

6305144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 6305144 is about 2511.0045798445. The cubic root of 6305144 is about 184.7417287215.

Subtracting from 6305144 its sum of digits (23), we obtain a square (6305121 = 2511²).

The spelling of 6305144 in words is "six million, three hundred five thousand, one hundred forty-four".