1442065 has 4 divisors (see below), whose sum is σ = 1730484. Its totient is φ = 1153648.

The previous prime is 1442057. The next prime is 1442069. The reversal of 1442065 is 5602441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5602441 = 13 ⋅430957.

It can be written as a sum of positive squares in 2 ways, for example, as 853776 + 588289 = 924^2 + 767^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442065 - 2³ = 1442057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144202 + ... + 144211.

It is an arithmetic number, because the mean of its divisors is an integer number (432621).

2^1442065 is an apocalyptic number.

It is an amenable number.

1442065 is a deficient number, since it is larger than the sum of its proper divisors (288419).

1442065 is an equidigital number, since it uses as much as digits as its factorization.

1442065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288418.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1442065 is about 1200.8601084223. The cubic root of 1442065 is about 112.9782765561.

It can be divided in two parts, 144 and 2065, that added together give a square (2209 = 47²).

The spelling of 1442065 in words is "one million, four hundred forty-two thousand, sixty-five".