2045445361 has 8 divisors (see below), whose sum is σ = 2246713920. Its totient is φ = 1853538192.

The previous prime is 2045445341. The next prime is 2045445373. The reversal of 2045445361 is 1635445402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2045445361 - 2²⁵ = 2011890929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045445341) 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 7 ways as a sum of consecutive naturals, for example, 2339890 + ... + 2340763.

It is an arithmetic number, because the mean of its divisors is an integer number (280839240).

Almost surely, 2^2045445361 is an apocalyptic number.

It is an amenable number.

2045445361 is a deficient number, since it is larger than the sum of its proper divisors (201268559).

2045445361 is a wasteful number, since it uses less digits than its factorization.

2045445361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680695.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 2045445361 is about 45226.6001485851. The cubic root of 2045445361 is about 1269.3925962687.

The spelling of 2045445361 in words is "two billion, forty-five million, four hundred forty-five thousand, three hundred sixty-one".