2045303544 has 16 divisors (see below), whose sum is σ = 5113258920. Its totient is φ = 681767840.

The previous prime is 2045303537. The next prime is 2045303567. The reversal of 2045303544 is 4453035402.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 42610467 + ... + 42610514.

Almost surely, 2^2045303544 is an apocalyptic number.

2045303544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2045303544 is an abundant number, since it is smaller than the sum of its proper divisors (3067955376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2045303544 is a wasteful number, since it uses less digits than its factorization.

2045303544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85220990 (or 85220986 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 2045303544 is about 45225.0322719620. The cubic root of 2045303544 is about 1269.3632586301.

Adding to 2045303544 its reverse (4453035402), we get a palindrome (6498338946).

The spelling of 2045303544 in words is "two billion, forty-five million, three hundred three thousand, five hundred forty-four".