1443532225 has 6 divisors (see below), whose sum is σ = 1789979990. Its totient is φ = 1154825760.

The previous prime is 1443532199. The next prime is 1443532229. The reversal of 1443532225 is 5222353441.

It can be written as a sum of positive squares in 3 ways, for example, as 8334769 + 1435197456 = 2887^2 + 37884^2 .

It is not a de Polignac number, because 1443532225 - 2⁵ = 1443532193 is a prime.

It is a super-4 number, since 4×1443532225⁴ (a number of 38 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1443532229) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 28870620 + ... + 28870669.

Almost surely, 2^1443532225 is an apocalyptic number.

It is an amenable number.

1443532225 is a deficient number, since it is larger than the sum of its proper divisors (346447765).

1443532225 is an equidigital number, since it uses as much as digits as its factorization.

1443532225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57741299 (or 57741294 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 1443532225 is about 37993.8445672454. The cubic root of 1443532225 is about 1130.1658004555.

Adding to 1443532225 its reverse (5222353441), we get a palindrome (6665885666).

The spelling of 1443532225 in words is "one billion, four hundred forty-three million, five hundred thirty-two thousand, two hundred twenty-five".