1443138 has 16 divisors (see below), whose sum is σ = 2934336. Its totient is φ = 473040.

The previous prime is 1443131. The next prime is 1443139. The reversal of 1443138 is 8313441.

It is not an unprimeable number, because it can be changed into a prime (1443131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1606 + ... + 2337.

It is an arithmetic number, because the mean of its divisors is an integer number (183396).

2^1443138 is an apocalyptic number.

1443138 is an abundant number, since it is smaller than the sum of its proper divisors (1491198).

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

1443138 is a wasteful number, since it uses less digits than its factorization.

1443138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4009.

The product of its digits is 1152, while the sum is 24.

The square root of 1443138 is about 1201.3067884600. The cubic root of 1443138 is about 113.0062909281.

Adding to 1443138 its reverse (8313441), we get a palindrome (9756579).

The spelling of 1443138 in words is "one million, four hundred forty-three thousand, one hundred thirty-eight".