1145041444 has 12 divisors (see below), whose sum is σ = 2023663068. Its totient is φ = 566852000.

The previous prime is 1145041433. The next prime is 1145041459. The reversal of 1145041444 is 4441405411.

It can be written as a sum of positive squares in 2 ways, for example, as 967832100 + 177209344 = 31110^2 + 13312^2 .

It is a super-2 number, since 2×1145041444² = 2622239816955210272, which contains 22 as substring.

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, 1416727 + ... + 1417534.

It is an arithmetic number, because the mean of its divisors is an integer number (168638589).

Almost surely, 2^1145041444 is an apocalyptic number.

It is an amenable number.

1145041444 is a deficient number, since it is larger than the sum of its proper divisors (878621624).

1145041444 is a wasteful number, since it uses less digits than its factorization.

1145041444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834366 (or 2834364 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 1145041444 is about 33838.4610170144. The cubic root of 1145041444 is about 1046.1815787149.

Adding to 1145041444 its reverse (4441405411), we get a palindrome (5586446855).

The spelling of 1145041444 in words is "one billion, one hundred forty-five million, forty-one thousand, four hundred forty-four".