1444442873 has 8 divisors (see below), whose sum is σ = 1466678400. Its totient is φ = 1422306288.

The previous prime is 1444442837. The next prime is 1444442891. The reversal of 1444442873 is 3782444441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444442873 - 2¹² = 1444438777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444442873.

It is not an unprimeable number, because it can be changed into a prime (1444442173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4958 + ... + 53976.

It is an arithmetic number, because the mean of its divisors is an integer number (183334800).

Almost surely, 2^1444442873 is an apocalyptic number.

It is an amenable number.

1444442873 is a deficient number, since it is larger than the sum of its proper divisors (22235527).

1444442873 is an equidigital number, since it uses as much as digits as its factorization.

1444442873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49471.

The product of its digits is 344064, while the sum is 41.

The square root of 1444442873 is about 38005.8268295797. The cubic root of 1444442873 is about 1130.4034044071.

The spelling of 1444442873 in words is "one billion, four hundred forty-four million, four hundred forty-two thousand, eight hundred seventy-three".