1464144 has 80 divisors (see below), whose sum is σ = 4285440. Its totient is φ = 426880.

The previous prime is 1464143. The next prime is 1464149. The reversal of 1464144 is 4414641.

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

It is a nude number because it is divisible by every one of its digits.

Its product of digits (1536) is a multiple of the sum of its prime factors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24787 + ... + 24845.

It is an arithmetic number, because the mean of its divisors is an integer number (53568).

2^1464144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1464144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2142720).

1464144 is an abundant number, since it is smaller than the sum of its proper divisors (2821296).

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

1464144 is a wasteful number, since it uses less digits than its factorization.

1464144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128 (or 122 counting only the distinct ones).

The product of its digits is 1536, while the sum is 24.

The square root of 1464144 is about 1210.0181816816. The cubic root of 1464144 is about 113.5519501876.

Adding to 1464144 its reverse (4414641), we get a palindrome (5878785).

The spelling of 1464144 in words is "one million, four hundred sixty-four thousand, one hundred forty-four".