1444145425 has 6 divisors (see below), whose sum is σ = 1790740358. Its totient is φ = 1155316320.

The previous prime is 1444145383. The next prime is 1444145471. The reversal of 1444145425 is 5245414441.

It can be written as a sum of positive squares in 3 ways, for example, as 351975121 + 1092170304 = 18761^2 + 33048^2 .

It is not a de Polignac number, because 1444145425 - 2¹¹ = 1444143377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28882884 + ... + 28882933.

Almost surely, 2^1444145425 is an apocalyptic number.

It is an amenable number.

1444145425 is a deficient number, since it is larger than the sum of its proper divisors (346594933).

1444145425 is an equidigital number, since it uses as much as digits as its factorization.

1444145425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57765827 (or 57765822 counting only the distinct ones).

The product of its digits is 51200, while the sum is 34.

The square root of 1444145425 is about 38001.9134386678. The cubic root of 1444145425 is about 1130.3258060194.

Adding to 1444145425 its reverse (5245414441), we get a palindrome (6689559866).

The spelling of 1444145425 in words is "one billion, four hundred forty-four million, one hundred forty-five thousand, four hundred twenty-five".