1444804778147 has 8 divisors (see below), whose sum is σ = 1445314296000. Its totient is φ = 1444295361600.

The previous prime is 1444804778141. The next prime is 1444804778191. The reversal of 1444804778147 is 7418774084441.

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 1444804778147 - 2¹⁰ = 1444804777123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1444804778141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37654022 + ... + 37692372.

It is an arithmetic number, because the mean of its divisors is an integer number (180664287000).

Almost surely, 2^{1444804778147} is an apocalyptic number.

1444804778147 is a deficient number, since it is larger than the sum of its proper divisors (509517853).

1444804778147 is an equidigital number, since it uses as much as digits as its factorization.

1444804778147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50653.

The product of its (nonzero) digits is 22478848, while the sum is 59.

The spelling of 1444804778147 in words is "one trillion, four hundred forty-four billion, eight hundred four million, seven hundred seventy-eight thousand, one hundred forty-seven".