3045445373321 has 4 divisors (see below), whose sum is σ = 3279710402052. Its totient is φ = 2811180344592.

The previous prime is 3045445373303. The next prime is 3045445373353. The reversal of 3045445373321 is 1233735445403.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1717315895296 + 1328129478025 = 1310464^2 + 1152445^2 .

It is a cyclic number.

It is not a de Polignac number, because 3045445373321 - 2¹⁴ = 3045445356937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3045445373521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117132514346 + ... + 117132514371.

It is an arithmetic number, because the mean of its divisors is an integer number (819927600513).

Almost surely, 2^{3045445373321} is an apocalyptic number.

It is an amenable number.

3045445373321 is a deficient number, since it is larger than the sum of its proper divisors (234265028731).

3045445373321 is a wasteful number, since it uses less digits than its factorization.

3045445373321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234265028730.

The product of its (nonzero) digits is 1814400, while the sum is 44.

The spelling of 3045445373321 in words is "three trillion, forty-five billion, four hundred forty-five million, three hundred seventy-three thousand, three hundred twenty-one".