1444225505 has 8 divisors (see below), whose sum is σ = 1733999400. Its totient is φ = 1154761216.

The previous prime is 1444225493. The next prime is 1444225571. The reversal of 1444225505 is 5055224441.

It can be written as a sum of positive squares in 4 ways, for example, as 8042896 + 1436182609 = 2836^2 + 37897^2 .

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 1444225505 - 2⁶ = 1444225441 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67010 + ... + 85899.

It is an arithmetic number, because the mean of its divisors is an integer number (216749925).

Almost surely, 2^1444225505 is an apocalyptic number.

It is an amenable number.

1444225505 is a deficient number, since it is larger than the sum of its proper divisors (289773895).

1444225505 is a wasteful number, since it uses less digits than its factorization.

1444225505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154803.

The product of its (nonzero) digits is 32000, while the sum is 32.

The square root of 1444225505 is about 38002.9670552182. The cubic root of 1444225505 is about 1130.3466983792.

Adding to 1444225505 its reverse (5055224441), we get a palindrome (6499449946).

The spelling of 1444225505 in words is "one billion, four hundred forty-four million, two hundred twenty-five thousand, five hundred five".