1442085 has 16 divisors (see below), whose sum is σ = 2328576. Its totient is φ = 762048.

The previous prime is 1442071. The next prime is 1442087. The reversal of 1442085 is 5802441.

It is not a de Polignac number, because 1442085 - 2⁴ = 1442069 is a prime.

It is a Curzon number.

1442085 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442087) 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 15 ways as a sum of consecutive naturals, for example, 1527 + ... + 2283.

It is an arithmetic number, because the mean of its divisors is an integer number (145536).

2^1442085 is an apocalyptic number.

1442085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1442085 is a deficient number, since it is larger than the sum of its proper divisors (886491).

1442085 is a wasteful number, since it uses less digits than its factorization.

1442085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1442085 is about 1200.8684357581. The cubic root of 1442085 is about 112.9787988522.

The spelling of 1442085 in words is "one million, four hundred forty-two thousand, eighty-five".