654144 has 28 divisors (see below), whose sum is σ = 1731264. Its totient is φ = 217984.

The previous prime is 654127. The next prime is 654149. The reversal of 654144 is 441456.

654144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512 + ... + 1895.

2⁶⁵⁴¹⁴⁴ is an apocalyptic number.

654144 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

654144 is an abundant number, since it is smaller than the sum of its proper divisors (1077120).

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

654144 is a wasteful number, since it uses less digits than its factorization.

654144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422 (or 3412 counting only the distinct ones).

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

The square root of 654144 is about 808.7916913520. The cubic root of 654144 is about 86.8076076211.

The spelling of 654144 in words is "six hundred fifty-four thousand, one hundred forty-four".