1445303605564 has 48 divisors (see below), whose sum is σ = 3113612168128. Its totient is φ = 571648969728.

The previous prime is 1445303605547. The next prime is 1445303605583. The reversal of 1445303605564 is 4655063035441.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1339444 + ... + 2164420.

Almost surely, 2^{1445303605564} is an apocalyptic number.

1445303605564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1445303605564 is an abundant number, since it is smaller than the sum of its proper divisors (1668308562564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445303605564 is a wasteful number, since it uses less digits than its factorization.

1445303605564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829814 (or 829812 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 46.

The spelling of 1445303605564 in words is "one trillion, four hundred forty-five billion, three hundred three million, six hundred five thousand, five hundred sixty-four".