444147001 has 8 divisors (see below), whose sum is σ = 457250504. Its totient is φ = 431101440.

The previous prime is 444146993. The next prime is 444147017. The reversal of 444147001 is 100741444.

It can be written as a sum of positive squares in 4 ways, for example, as 122877225 + 321269776 = 11085^2 + 17924^2 .

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 444147001 - 2³ = 444146993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444145001) 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, 1321 + ... + 29833.

It is an arithmetic number, because the mean of its divisors is an integer number (57156313).

Almost surely, 2^444147001 is an apocalyptic number.

It is an amenable number.

444147001 is a deficient number, since it is larger than the sum of its proper divisors (13103503).

444147001 is a wasteful number, since it uses less digits than its factorization.

444147001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28971.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 444147001 is about 21074.7953963971. The cubic root of 444147001 is about 762.9725465027.

Adding to 444147001 its reverse (100741444), we get a palindrome (544888445).

It can be divided in two parts, 44414 and 7001, that added together give a palindrome (51415).

The spelling of 444147001 in words is "four hundred forty-four million, one hundred forty-seven thousand, one".