2045822453 has 8 divisors (see below), whose sum is σ = 2081938176. Its totient is φ = 2009790000.

The previous prime is 2045822447. The next prime is 2045822479. The reversal of 2045822453 is 3542285402.

It is a happy number.

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 2045822453 - 2²⁰ = 2044773877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045822953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29828 + ... + 70578.

It is an arithmetic number, because the mean of its divisors is an integer number (260242272).

Almost surely, 2^2045822453 is an apocalyptic number.

It is an amenable number.

2045822453 is a deficient number, since it is larger than the sum of its proper divisors (36115723).

2045822453 is an equidigital number, since it uses as much as digits as its factorization.

2045822453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41635.

The product of its (nonzero) digits is 76800, while the sum is 35.

The square root of 2045822453 is about 45230.7688747384. The cubic root of 2045822453 is about 1269.4705985772.

The spelling of 2045822453 in words is "two billion, forty-five million, eight hundred twenty-two thousand, four hundred fifty-three".