1443243 has 16 divisors (see below), whose sum is σ = 2034720. Its totient is φ = 908544.

The previous prime is 1443223. The next prime is 1443257. The reversal of 1443243 is 3423441.

It is not a de Polignac number, because 1443243 - 2⁹ = 1442731 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1443203) 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, 4455 + ... + 4767.

It is an arithmetic number, because the mean of its divisors is an integer number (127170).

2^1443243 is an apocalyptic number.

1443243 is a deficient number, since it is larger than the sum of its proper divisors (591477).

1443243 is a wasteful number, since it uses less digits than its factorization.

1443243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its digits is 1152, while the sum is 21.

The square root of 1443243 is about 1201.3504900736. The cubic root of 1443243 is about 113.0090315699.

Adding to 1443243 its reverse (3423441), we get a palindrome (4866684).

The spelling of 1443243 in words is "one million, four hundred forty-three thousand, two hundred forty-three".