1443551112545 has 8 divisors (see below), whose sum is σ = 1741938773760. Its totient is φ = 1148389264240.

The previous prime is 1443551112541. The next prime is 1443551112587. The reversal of 1443551112545 is 5452111553441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1443551112545 - 2² = 1443551112541 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1443551112541) 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, 806452241 + ... + 806454030.

It is an arithmetic number, because the mean of its divisors is an integer number (217742346720).

Almost surely, 2^{1443551112545} is an apocalyptic number.

It is an amenable number.

1443551112545 is a deficient number, since it is larger than the sum of its proper divisors (298387661215).

1443551112545 is a wasteful number, since it uses less digits than its factorization.

1443551112545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1612906455.

The product of its digits is 240000, while the sum is 41.

Adding to 1443551112545 its reverse (5452111553441), we get a palindrome (6895662665986).

The spelling of 1443551112545 in words is "one trillion, four hundred forty-three billion, five hundred fifty-one million, one hundred twelve thousand, five hundred forty-five".