1144445115 has 16 divisors (see below), whose sum is σ = 1997577216. Its totient is φ = 554882400.

The previous prime is 1144445111. The next prime is 1144445119. The reversal of 1144445115 is 5115444411.

1144445115 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1144445111) and next prime (1144445119).

It is not a de Polignac number, because 1144445115 - 2² = 1144445111 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1144445111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3467851 + ... + 3468180.

It is an arithmetic number, because the mean of its divisors is an integer number (124848576).

Almost surely, 2^1144445115 is an apocalyptic number.

1144445115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1144445115 is a deficient number, since it is larger than the sum of its proper divisors (853132101).

1144445115 is a wasteful number, since it uses less digits than its factorization.

1144445115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6936050.

The product of its digits is 6400, while the sum is 30.

The square root of 1144445115 is about 33829.6484610763. The cubic root of 1144445115 is about 1045.9999326701. Note that the first 4 decimals are identical.

Adding to 1144445115 its reverse (5115444411), we get a palindrome (6259889526).

The spelling of 1144445115 in words is "one billion, one hundred forty-four million, four hundred forty-five thousand, one hundred fifteen".