2045543504 has 20 divisors (see below), whose sum is σ = 3965234676. Its totient is φ = 1022257152.

The previous prime is 2045543491. The next prime is 2045543537. The reversal of 2045543504 is 4053455402.

It can be written as a sum of positive squares in 2 ways, for example, as 890903104 + 1154640400 = 29848^2 + 33980^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1712 + ... + 63984.

Almost surely, 2^2045543504 is an apocalyptic number.

It is an amenable number.

2045543504 is a deficient number, since it is larger than the sum of its proper divisors (1919691172).

2045543504 is a wasteful number, since it uses less digits than its factorization.

2045543504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64334 (or 64328 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

The square root of 2045543504 is about 45227.6851496956. The cubic root of 2045543504 is about 1269.4128982866.

Adding to 2045543504 its reverse (4053455402), we get a palindrome (6098998906).

The spelling of 2045543504 in words is "two billion, forty-five million, five hundred forty-three thousand, five hundred four".