1443142 has 4 divisors (see below), whose sum is σ = 2164716. Its totient is φ = 721570.

The previous prime is 1443139. The next prime is 1443151. The reversal of 1443142 is 2413441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2413441 = 293 ⋅8237.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360784 + ... + 360787.

It is an arithmetic number, because the mean of its divisors is an integer number (541179).

2^1443142 is an apocalyptic number.

1443142 is a deficient number, since it is larger than the sum of its proper divisors (721574).

1443142 is an equidigital number, since it uses as much as digits as its factorization.

1443142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721573.

The product of its digits is 384, while the sum is 19.

The square root of 1443142 is about 1201.3084533125. The cubic root of 1443142 is about 113.0063953360.

Adding to 1443142 its reverse (2413441), we get a palindrome (3856583).

Subtracting 1443142 from its reverse (2413441), we obtain a cube (970299 = 99³).

The spelling of 1443142 in words is "one million, four hundred forty-three thousand, one hundred forty-two".