1441345521 has 32 divisors (see below), whose sum is σ = 2409919488. Its totient is φ = 744402240.

The previous prime is 1441345513. The next prime is 1441345523. The reversal of 1441345521 is 1255431441.

It is not a de Polignac number, because 1441345521 - 2³ = 1441345513 is a prime.

It is a super-2 number, since 2×1441345521² = 4154953821813522882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1441345523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21930 + ... + 57996.

It is an arithmetic number, because the mean of its divisors is an integer number (75309984).

Almost surely, 2^1441345521 is an apocalyptic number.

1441345521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1441345521 is a deficient number, since it is larger than the sum of its proper divisors (968573967).

1441345521 is a wasteful number, since it uses less digits than its factorization.

1441345521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36261.

The product of its digits is 9600, while the sum is 30.

The square root of 1441345521 is about 37965.0565783853. The cubic root of 1441345521 is about 1129.5948428721.

Adding to 1441345521 its reverse (1255431441), we get a palindrome (2696776962).

The spelling of 1441345521 in words is "one billion, four hundred forty-one million, three hundred forty-five thousand, five hundred twenty-one".