1445821070929 has 3 divisors (see below), whose sum is σ = 1445822273353. Its totient is φ = 1445819868506.

The previous prime is 1445821070917. The next prime is 1445821070989. The reversal of 1445821070929 is 9290701285441.

The square root of 1445821070929 is 1202423.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1445821070929 - 2⁹ = 1445821070417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445821070989) 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 2 ways as a sum of consecutive naturals, for example, 601212 + ... + 1803634.

Almost surely, 2^{1445821070929} is an apocalyptic number.

1445821070929 is the 1202423-rd square number.

1445821070929 is the 601212-nd centered octagonal number.

It is an amenable number.

1445821070929 is a deficient number, since it is larger than the sum of its proper divisors (1202424).

1445821070929 is an frugal number, since it uses more digits than its factorization.

1445821070929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404846 (or 1202423 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The spelling of 1445821070929 in words is "one trillion, four hundred forty-five billion, eight hundred twenty-one million, seventy thousand, nine hundred twenty-nine".