1442566 has 4 divisors (see below), whose sum is σ = 2163852. Its totient is φ = 721282.

The previous prime is 1442549. The next prime is 1442579. The reversal of 1442566 is 6652441.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 360640 + ... + 360643.

It is an arithmetic number, because the mean of its divisors is an integer number (540963).

2^1442566 is an apocalyptic number.

1442566 is a deficient number, since it is larger than the sum of its proper divisors (721286).

1442566 is an equidigital number, since it uses as much as digits as its factorization.

1442566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721285.

The product of its digits is 5760, while the sum is 28.

The square root of 1442566 is about 1201.0686907917. The cubic root of 1442566 is about 112.9913586208.

The spelling of 1442566 in words is "one million, four hundred forty-two thousand, five hundred sixty-six".