1443242 has 4 divisors (see below), whose sum is σ = 2164866. Its totient is φ = 721620.

The previous prime is 1443223. The next prime is 1443257. The reversal of 1443242 is 2423441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2423441 = 23 ⋅105367.

It can be written as a sum of positive squares in only one way, i.e., 1442401 + 841 = 1201^2 + 29^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360809 + ... + 360812.

2^1443242 is an apocalyptic number.

1443242 is a deficient number, since it is larger than the sum of its proper divisors (721624).

1443242 is an equidigital number, since it uses as much as digits as its factorization.

1443242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721623.

The product of its digits is 768, while the sum is 20.

The square root of 1443242 is about 1201.3500738752. The cubic root of 1443242 is about 113.0090054692.

Adding to 1443242 its reverse (2423441), we get a palindrome (3866683).

The spelling of 1443242 in words is "one million, four hundred forty-three thousand, two hundred forty-two".