1445305361143 has 4 divisors (see below), whose sum is σ = 1651777555600. Its totient is φ = 1238833166688.

The previous prime is 1445305361119. The next prime is 1445305361179. The reversal of 1445305361143 is 3411635035441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445305361143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1445305361096 and 1445305361105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445305361113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103236097218 + ... + 103236097231.

It is an arithmetic number, because the mean of its divisors is an integer number (412944388900).

Almost surely, 2^{1445305361143} is an apocalyptic number.

1445305361143 is a deficient number, since it is larger than the sum of its proper divisors (206472194457).

1445305361143 is an equidigital number, since it uses as much as digits as its factorization.

1445305361143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206472194456.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 1445305361143 in words is "one trillion, four hundred forty-five billion, three hundred five million, three hundred sixty-one thousand, one hundred forty-three".