2044555345 has 16 divisors (see below), whose sum is σ = 2806138368. Its totient is φ = 1400892480.

The previous prime is 2044555327. The next prime is 2044555393. The reversal of 2044555345 is 5435554402.

It is not a de Polignac number, because 2044555345 - 2¹⁵ = 2044522577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24435 + ... + 68455.

It is an arithmetic number, because the mean of its divisors is an integer number (175383648).

Almost surely, 2^2044555345 is an apocalyptic number.

It is an amenable number.

2044555345 is a deficient number, since it is larger than the sum of its proper divisors (761583023).

2044555345 is a wasteful number, since it uses less digits than its factorization.

2044555345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45360.

The product of its (nonzero) digits is 240000, while the sum is 37.

The square root of 2044555345 is about 45216.7595588185. The cubic root of 2044555345 is about 1269.2084564809.

It can be divided in two parts, 2044555 and 345, that added together give a square (2044900 = 1430²).

The spelling of 2044555345 in words is "two billion, forty-four million, five hundred fifty-five thousand, three hundred forty-five".