1442859 has 16 divisors (see below), whose sum is σ = 2191104. Its totient is φ = 836000.

The previous prime is 1442849. The next prime is 1442863. The reversal of 1442859 is 9582441.

It is not a de Polignac number, because 1442859 - 2⁵ = 1442827 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1442849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192 + ... + 1709.

It is an arithmetic number, because the mean of its divisors is an integer number (136944).

2^1442859 is an apocalyptic number.

1442859 is a deficient number, since it is larger than the sum of its proper divisors (748245).

1442859 is a wasteful number, since it uses less digits than its factorization.

1442859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938.

The product of its digits is 11520, while the sum is 33.

The square root of 1442859 is about 1201.1906593043. The cubic root of 1442859 is about 112.9990080055. Note that the first 3 decimals are identical.

It can be divided in two parts, 144 and 2859, that added together give a palindrome (3003).

The spelling of 1442859 in words is "one million, four hundred forty-two thousand, eight hundred fifty-nine".