1441445531 has 8 divisors (see below), whose sum is σ = 1453556544. Its totient is φ = 1429351560.

The previous prime is 1441445497. The next prime is 1441445563. The reversal of 1441445531 is 1355441441.

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 1441445531 - 2²² = 1437251227 is a prime.

It is a super-2 number, since 2×1441445531² = 4155530437679743922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1441444531) 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 7 ways as a sum of consecutive naturals, for example, 209756 + ... + 216518.

It is an arithmetic number, because the mean of its divisors is an integer number (181694568).

Almost surely, 2^1441445531 is an apocalyptic number.

1441445531 is a deficient number, since it is larger than the sum of its proper divisors (12111013).

1441445531 is a wasteful number, since it uses less digits than its factorization.

1441445531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521.

The product of its digits is 19200, while the sum is 32.

The square root of 1441445531 is about 37966.3736877780. The cubic root of 1441445531 is about 1129.6209684994.

Adding to 1441445531 its reverse (1355441441), we get a palindrome (2796886972).

The spelling of 1441445531 in words is "one billion, four hundred forty-one million, four hundred forty-five thousand, five hundred thirty-one".