1145000044 has 12 divisors (see below), whose sum is σ = 2050349224. Its totient is φ = 559185984.

The previous prime is 1145000029. The next prime is 1145000047. The reversal of 1145000044 is 4400005411.

It is a super-2 number, since 2×1145000044² = 2622050201520003872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1144999985 and 1145000030.

It is not an unprimeable number, because it can be changed into a prime (1145000047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3328317 + ... + 3328660.

Almost surely, 2^1145000044 is an apocalyptic number.

It is an amenable number.

1145000044 is a deficient number, since it is larger than the sum of its proper divisors (905349180).

1145000044 is a wasteful number, since it uses less digits than its factorization.

1145000044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6657024 (or 6657022 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1145000044 is about 33837.8492815368. The cubic root of 1145000044 is about 1046.1689700186.

Adding to 1145000044 its reverse (4400005411), we get a palindrome (5545005455).

The spelling of 1145000044 in words is "one billion, one hundred forty-five million, forty-four", and thus it is an aban number.