1442521445 has 8 divisors (see below), whose sum is σ = 1732040736. Its totient is φ = 1153340496.

The previous prime is 1442521427. The next prime is 1442521471. The reversal of 1442521445 is 5441252441.

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 1442521445 - 2¹⁰ = 1442520421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 75107 + ... + 92336.

It is an arithmetic number, because the mean of its divisors is an integer number (216505092).

Almost surely, 2^1442521445 is an apocalyptic number.

It is an amenable number.

1442521445 is a deficient number, since it is larger than the sum of its proper divisors (289519291).

1442521445 is a wasteful number, since it uses less digits than its factorization.

1442521445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169171.

The product of its digits is 25600, while the sum is 32.

The square root of 1442521445 is about 37980.5403463405. The cubic root of 1442521445 is about 1129.9019532755.

Adding to 1442521445 its reverse (5441252441), we get a palindrome (6883773886).

The spelling of 1442521445 in words is "one billion, four hundred forty-two million, five hundred twenty-one thousand, four hundred forty-five".