1045612544 has 24 divisors (see below), whose sum is σ = 2090718630. Its totient is φ = 522805248.

The previous prime is 1045612543. The next prime is 1045612549. The reversal of 1045612544 is 4452165401.

It can be written as a sum of positive squares in only one way, i.e., 1042514944 + 3097600 = 32288^2 + 1760^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1045612544.

It is not an unprimeable number, because it can be changed into a prime (1045612543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253229 + ... + 257324.

Almost surely, 2^1045612544 is an apocalyptic number.

It is an amenable number.

1045612544 is a deficient number, since it is larger than the sum of its proper divisors (1045106086).

1045612544 is an frugal number, since it uses more digits than its factorization.

1045612544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510575 (or 510555 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 1045612544 is about 32335.9327065109. The cubic root of 1045612544 is about 1014.9786996751.

Adding to 1045612544 its reverse (4452165401), we get a palindrome (5497777945).

The spelling of 1045612544 in words is "one billion, forty-five million, six hundred twelve thousand, five hundred forty-four".