1443132 has 18 divisors (see below), whose sum is σ = 3648008. Its totient is φ = 481032.
The previous prime is 1443131. The next prime is 1443139. The reversal of 1443132 is 2313441.
It is a tau number, because it is divible by the number of its divisors (18).
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 a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1443131) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20008 + ... + 20079.
21443132 is an apocalyptic number.
1443132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1443132 is an abundant number, since it is smaller than the sum of its proper divisors (2204876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1443132 is a wasteful number, since it uses less digits than its factorization.
1443132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40097 (or 40092 counting only the distinct ones).
The product of its digits is 288, while the sum is 18.
The square root of 1443132 is about 1201.3042911769. The cubic root of 1443132 is about 113.0061343160.
Adding to 1443132 its reverse (2313441), we get a palindrome (3756573).
The spelling of 1443132 in words is "one million, four hundred forty-three thousand, one hundred thirty-two".
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