444441147 has 8 divisors (see below), whose sum is σ = 595691520. Its totient is φ = 294742440.

The previous prime is 444441133. The next prime is 444441161. The reversal of 444441147 is 741144444.

It is an interprime number because it is at equal distance from previous prime (444441133) and next prime (444441161).

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

It is not a de Polignac number, because 444441147 - 2¹⁵ = 444408379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (444440147) 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, 387247 + ... + 388392.

It is an arithmetic number, because the mean of its divisors is an integer number (74461440).

Almost surely, 2^444441147 is an apocalyptic number.

444441147 is a deficient number, since it is larger than the sum of its proper divisors (151250373).

444441147 is a wasteful number, since it uses less digits than its factorization.

444441147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775833.

The product of its digits is 28672, while the sum is 33.

The square root of 444441147 is about 21081.7728618824. The cubic root of 444441147 is about 763.1409410484.

The spelling of 444441147 in words is "four hundred forty-four million, four hundred forty-one thousand, one hundred forty-seven".