1444135 has 32 divisors (see below), whose sum is σ = 2248704. Its totient is φ = 871200.

The previous prime is 1444111. The next prime is 1444181. The reversal of 1444135 is 5314441.

1444135 = T₉₀ + T₉₁ + ... + T₂₁₀.

It is not a de Polignac number, because 1444135 - 2⁵ = 1444103 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46570 + ... + 46600.

It is an arithmetic number, because the mean of its divisors is an integer number (70272).

2^1444135 is an apocalyptic number.

1444135 is a deficient number, since it is larger than the sum of its proper divisors (804569).

1444135 is an equidigital number, since it uses as much as digits as its factorization.

1444135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 54 counting only the distinct ones).

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

The square root of 1444135 is about 1201.7216815885. The cubic root of 1444135 is about 113.0323086147.

Adding to 1444135 its reverse (5314441), we get a palindrome (6758576).

The spelling of 1444135 in words is "one million, four hundred forty-four thousand, one hundred thirty-five".