1145004441 has 32 divisors (see below), whose sum is σ = 1764753408. Its totient is φ = 646833600.

The previous prime is 1145004431. The next prime is 1145004457. The reversal of 1145004441 is 1444005411.

It is not a de Polignac number, because 1145004441 - 2¹¹ = 1145002393 is a prime.

It is a super-2 number, since 2×1145004441² = 2622070339819444962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145004431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 994216 + ... + 995366.

It is an arithmetic number, because the mean of its divisors is an integer number (55148544).

Almost surely, 2^1145004441 is an apocalyptic number.

It is an amenable number.

1145004441 is a deficient number, since it is larger than the sum of its proper divisors (619748967).

1145004441 is a wasteful number, since it uses less digits than its factorization.

1145004441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 1145004441 is about 33837.9142530978. The cubic root of 1145004441 is about 1046.1703091740.

Adding to 1145004441 its reverse (1444005411), we get a palindrome (2589009852).

The spelling of 1145004441 in words is "one billion, one hundred forty-five million, four thousand, four hundred forty-one".