1445561362003 has 8 divisors (see below), whose sum is σ = 1587419582976. Its totient is φ = 1305443733000.

The previous prime is 1445561362001. The next prime is 1445561362013. The reversal of 1445561362003 is 3002631655441.

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

It is not a de Polignac number, because 1445561362003 - 2¹ = 1445561362001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445561362001) 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, 435146251 + ... + 435149572.

It is an arithmetic number, because the mean of its divisors is an integer number (198427447872).

Almost surely, 2^{1445561362003} is an apocalyptic number.

1445561362003 is a deficient number, since it is larger than the sum of its proper divisors (141858220973).

1445561362003 is a wasteful number, since it uses less digits than its factorization.

1445561362003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870295985.

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

The spelling of 1445561362003 in words is "one trillion, four hundred forty-five billion, five hundred sixty-one million, three hundred sixty-two thousand, three".