1442999 has 4 divisors (see below), whose sum is σ = 1449000. Its totient is φ = 1437000.

The previous prime is 1442989. The next prime is 1443007. The reversal of 1442999 is 9992441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9992441 = 1181 ⋅8461.

It is a cyclic number.

It is not a de Polignac number, because 1442999 - 2⁴ = 1442983 is a prime.

It is a super-2 number, since 2×1442999² = 4164492228002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2624 + ... + 3125.

It is an arithmetic number, because the mean of its divisors is an integer number (362250).

2^1442999 is an apocalyptic number.

1442999 is a deficient number, since it is larger than the sum of its proper divisors (6001).

1442999 is an equidigital number, since it uses as much as digits as its factorization.

1442999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000.

The product of its digits is 23328, while the sum is 38.

The square root of 1442999 is about 1201.2489334022. The cubic root of 1442999 is about 113.0026626360.

The spelling of 1442999 in words is "one million, four hundred forty-two thousand, nine hundred ninety-nine".