2104543445 has 8 divisors (see below), whose sum is σ = 2535280344. Its totient is φ = 1677082624.

The previous prime is 2104543429. The next prime is 2104543471. The reversal of 2104543445 is 5443454012.

It can be written as a sum of positive squares in 4 ways, for example, as 1509866449 + 594676996 = 38857^2 + 24386^2 .

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 2104543445 - 2⁴ = 2104543429 is a prime.

It is a super-2 number, since 2×2104543445² = 8858206223784936050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 817604 + ... + 820173.

It is an arithmetic number, because the mean of its divisors is an integer number (316910043).

Almost surely, 2^2104543445 is an apocalyptic number.

It is an amenable number.

2104543445 is a deficient number, since it is larger than the sum of its proper divisors (430736899).

2104543445 is a wasteful number, since it uses less digits than its factorization.

2104543445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638039.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2104543445 is about 45875.3032142568. The cubic root of 2104543445 is about 1281.5020300718.

Adding to 2104543445 its reverse (5443454012), we get a palindrome (7547997457).

The spelling of 2104543445 in words is "two billion, one hundred four million, five hundred forty-three thousand, four hundred forty-five".