1332144 has 90 divisors (see below), whose sum is σ = 4212156. Its totient is φ = 389760.

The previous prime is 1332127. The next prime is 1332151. The reversal of 1332144 is 4412331.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 45922 + ... + 45950.

2^1332144 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 1332144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2106078).

1332144 is an abundant number, since it is smaller than the sum of its proper divisors (2880012).

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

1332144 is a wasteful number, since it uses less digits than its factorization.

1332144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 45 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 1332144 is about 1154.1854270437. The cubic root of 1332144 is about 110.0315061267.

Adding to 1332144 its reverse (4412331), we get a palindrome (5744475).

The spelling of 1332144 in words is "one million, three hundred thirty-two thousand, one hundred forty-four".