1445456511543 has 24 divisors (see below), whose sum is σ = 2121539568624. Its totient is φ = 874740106240.

The previous prime is 1445456511439. The next prime is 1445456511553. The reversal of 1445456511543 is 3451156545441.

It is not a de Polignac number, because 1445456511543 - 2²⁹ = 1444919640631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1445456511492 and 1445456511501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445456511553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2695146 + ... + 3186647.

It is an arithmetic number, because the mean of its divisors is an integer number (88397482026).

Almost surely, 2^{1445456511543} is an apocalyptic number.

1445456511543 is a deficient number, since it is larger than the sum of its proper divisors (676083057081).

1445456511543 is a wasteful number, since it uses less digits than its factorization.

1445456511543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882495 (or 5882484 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 48.

The spelling of 1445456511543 in words is "one trillion, four hundred forty-five billion, four hundred fifty-six million, five hundred eleven thousand, five hundred forty-three".