1045543424 has 20 divisors (see below), whose sum is σ = 2089045794. Its totient is φ = 522771456.

The previous prime is 1045543403. The next prime is 1045543427. The reversal of 1045543424 is 4243455401.

It can be written as a sum of positive squares in only one way, i.e., 527161600 + 518381824 = 22960^2 + 22768^2 .

It is a super-2 number, since 2×1045543424² = 2186322102939287552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1045543427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1020527 + ... + 1021550.

Almost surely, 2^1045543424 is an apocalyptic number.

It is an amenable number.

1045543424 is a deficient number, since it is larger than the sum of its proper divisors (1043502370).

1045543424 is an frugal number, since it uses more digits than its factorization.

1045543424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042095 (or 2042079 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 1045543424 is about 32334.8639087905. The cubic root of 1045543424 is about 1014.9563341970.

Adding to 1045543424 its reverse (4243455401), we get a palindrome (5288998825).

The spelling of 1045543424 in words is "one billion, forty-five million, five hundred forty-three thousand, four hundred twenty-four".