2045343053 has 16 divisors (see below), whose sum is σ = 2228143680. Its totient is φ = 1866273024.

The previous prime is 2045343043. The next prime is 2045343061. The reversal of 2045343053 is 3503435402.

It is a cyclic number.

It is not a de Polignac number, because 2045343053 - 2⁸ = 2045342797 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 (2045343023) 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 15 ways as a sum of consecutive naturals, for example, 613850 + ... + 617172.

It is an arithmetic number, because the mean of its divisors is an integer number (139258980).

Almost surely, 2^2045343053 is an apocalyptic number.

It is an amenable number.

2045343053 is a deficient number, since it is larger than the sum of its proper divisors (182800627).

2045343053 is a wasteful number, since it uses less digits than its factorization.

2045343053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3868.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 2045343053 is about 45225.4690744054. The cubic root of 2045343053 is about 1269.3714319809.

Adding to 2045343053 its reverse (3503435402), we get a palindrome (5548778455).

The spelling of 2045343053 in words is "two billion, forty-five million, three hundred forty-three thousand, fifty-three".