1442853 has 20 divisors (see below), whose sum is σ = 2207040. Its totient is φ = 938952.

The previous prime is 1442849. The next prime is 1442863. The reversal of 1442853 is 3582441.

1442853 is nontrivially palindromic in base 4 and base 8.

It is not a de Polignac number, because 1442853 - 2² = 1442849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442863) 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 19 ways as a sum of consecutive naturals, for example, 3618 + ... + 3996.

It is an arithmetic number, because the mean of its divisors is an integer number (110352).

2^1442853 is an apocalyptic number.

It is an amenable number.

1442853 is a deficient number, since it is larger than the sum of its proper divisors (764187).

1442853 is an equidigital number, since it uses as much as digits as its factorization.

1442853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438 (or 429 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 1442853 is about 1201.1881617798. The cubic root of 1442853 is about 112.9988513732.

The spelling of 1442853 in words is "one million, four hundred forty-two thousand, eight hundred fifty-three".