1444442115 has 8 divisors (see below), whose sum is σ = 2311107408. Its totient is φ = 770369120.

The previous prime is 1444442099. The next prime is 1444442123. The reversal of 1444442115 is 5112444441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1444442115 - 2⁴ = 1444442099 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48148056 + ... + 48148085.

It is an arithmetic number, because the mean of its divisors is an integer number (288888426).

Almost surely, 2^1444442115 is an apocalyptic number.

1444442115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1444442115 is a deficient number, since it is larger than the sum of its proper divisors (866665293).

1444442115 is an equidigital number, since it uses as much as digits as its factorization.

1444442115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96296149.

The product of its digits is 10240, while the sum is 30.

The square root of 1444442115 is about 38005.8168574233. The cubic root of 1444442115 is about 1130.4032066732.

Adding to 1444442115 its reverse (5112444441), we get a palindrome (6556886556).

The spelling of 1444442115 in words is "one billion, four hundred forty-four million, four hundred forty-two thousand, one hundred fifteen".