1445747027772 has 24 divisors (see below), whose sum is σ = 3373429172176. Its totient is φ = 481912898688.

The previous prime is 1445747027731. The next prime is 1445747027819. The reversal of 1445747027772 is 2777207475441.

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, 3915558 + ... + 4268850.

Almost surely, 2^{1445747027772} is an apocalyptic number.

1445747027772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1445747027772 is an abundant number, since it is smaller than the sum of its proper divisors (1927682144404).

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

1445747027772 is a wasteful number, since it uses less digits than its factorization.

1445747027772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694317 (or 694315 counting only the distinct ones).

The product of its (nonzero) digits is 21512960, while the sum is 57.

The spelling of 1445747027772 in words is "one trillion, four hundred forty-five billion, seven hundred forty-seven million, twenty-seven thousand, seven hundred seventy-two".