1445305513406 has 16 divisors (see below), whose sum is σ = 2172786946848. Its totient is φ = 721043884800.

The previous prime is 1445305513397. The next prime is 1445305513429. The reversal of 1445305513406 is 6043155035441.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4097066 + ... + 4435826.

It is an arithmetic number, because the mean of its divisors is an integer number (135799184178).

Almost surely, 2^{1445305513406} is an apocalyptic number.

1445305513406 is a deficient number, since it is larger than the sum of its proper divisors (727481433442).

1445305513406 is a wasteful number, since it uses less digits than its factorization.

1445305513406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343507.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 1445305513406 in words is "one trillion, four hundred forty-five billion, three hundred five million, five hundred thirteen thousand, four hundred six".