1442563 has 4 divisors (see below), whose sum is σ = 1446120. Its totient is φ = 1439008.

The previous prime is 1442549. The next prime is 1442579. The reversal of 1442563 is 3652441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3652441 = 13 ⋅280957.

It is a cyclic number.

It is not a de Polignac number, because 1442563 - 2⁵ = 1442531 is a prime.

It is a d-powerful number, because it can be written as 1 + 4⁹ + 4¹⁰ + 2¹⁷ + 5 + 6² + 3⁶ .

It is a Duffinian number.

1442563 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1442513) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 1078 + ... + 2011.

It is an arithmetic number, because the mean of its divisors is an integer number (361530).

2^1442563 is an apocalyptic number.

1442563 is a deficient number, since it is larger than the sum of its proper divisors (3557).

1442563 is an equidigital number, since it uses as much as digits as its factorization.

1442563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3556.

The product of its digits is 2880, while the sum is 25.

The square root of 1442563 is about 1201.0674419032. The cubic root of 1442563 is about 112.9912802941.

The spelling of 1442563 in words is "one million, four hundred forty-two thousand, five hundred sixty-three".