1445821070930 has 16 divisors (see below), whose sum is σ = 2755564864920. Its totient is φ = 544309108992.

The previous prime is 1445821070917. The next prime is 1445821070989. The reversal of 1445821070930 is 390701285441.

It is a Cunningham number, because it is equal to 1202423²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1445821070929 + 1 = 1202423^2 + 1^2 .

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 7 ways as a sum of consecutive naturals, for example, 4252414745 + ... + 4252415084.

Almost surely, 2^{1445821070930} is an apocalyptic number.

1445821070930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1445821070930 is a deficient number, since it is larger than the sum of its proper divisors (1309743793990).

1445821070930 is a wasteful number, since it uses less digits than its factorization.

1445821070930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504829853.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 1445821070930 in words is "one trillion, four hundred forty-five billion, eight hundred twenty-one million, seventy thousand, nine hundred thirty".