1444150421 has 16 divisors (see below), whose sum is σ = 1692727680. Its totient is φ = 1206213120.

The previous prime is 1444150403. The next prime is 1444150447. The reversal of 1444150421 is 1240514441.

It is a de Polignac number, because none of the positive numbers 2^k-1444150421 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444152421) 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 15 ways as a sum of consecutive naturals, for example, 287090 + ... + 292076.

It is an arithmetic number, because the mean of its divisors is an integer number (105795480).

Almost surely, 2^1444150421 is an apocalyptic number.

It is an amenable number.

1444150421 is a deficient number, since it is larger than the sum of its proper divisors (248577259).

1444150421 is a wasteful number, since it uses less digits than its factorization.

1444150421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 1444150421 is about 38001.9791721431. The cubic root of 1444150421 is about 1130.3271094664.

Adding to 1444150421 its reverse (1240514441), we get a palindrome (2684664862).

The spelling of 1444150421 in words is "one billion, four hundred forty-four million, one hundred fifty thousand, four hundred twenty-one".