1445455602643 has 16 divisors (see below), whose sum is σ = 1616679116640. Its totient is φ = 1283618831616.

The previous prime is 1445455602631. The next prime is 1445455602653. The reversal of 1445455602643 is 3462065545441.

It is a cyclic number.

It is not a de Polignac number, because 1445455602643 - 2⁵ = 1445455602611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445455602653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16839805 + ... + 16925422.

It is an arithmetic number, because the mean of its divisors is an integer number (101042444790).

Almost surely, 2^{1445455602643} is an apocalyptic number.

1445455602643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1445455602643 is a deficient number, since it is larger than the sum of its proper divisors (171223513997).

1445455602643 is a wasteful number, since it uses less digits than its factorization.

1445455602643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33765366.

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 1445455602643 in words is "one trillion, four hundred forty-five billion, four hundred fifty-five million, six hundred two thousand, six hundred forty-three".