2045452443 has 8 divisors (see below), whose sum is σ = 2729874000. Its totient is φ = 1362332928.

The previous prime is 2045452439. The next prime is 2045452457. The reversal of 2045452443 is 3442545402.

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

It is not a de Polignac number, because 2045452443 - 2² = 2045452439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2045452433) 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, 321838 + ... + 328131.

It is an arithmetic number, because the mean of its divisors is an integer number (341234250).

Almost surely, 2^2045452443 is an apocalyptic number.

2045452443 is a deficient number, since it is larger than the sum of its proper divisors (684421557).

2045452443 is a wasteful number, since it uses less digits than its factorization.

2045452443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651021.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 2045452443 is about 45226.6784431490. The cubic root of 2045452443 is about 1269.3940612843.

Adding to 2045452443 its reverse (3442545402), we get a palindrome (5487997845).

The spelling of 2045452443 in words is "two billion, forty-five million, four hundred fifty-two thousand, four hundred forty-three".