1144112515 has 40 divisors (see below), whose sum is σ = 1725102288. Its totient is φ = 724086720.

The previous prime is 1144112507. The next prime is 1144112521. The reversal of 1144112515 is 5152114411.

It is a happy number.

It is not a de Polignac number, because 1144112515 - 2³ = 1144112507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1144112515.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 152400 + ... + 159730.

Almost surely, 2^1144112515 is an apocalyptic number.

1144112515 is a deficient number, since it is larger than the sum of its proper divisors (580989773).

1144112515 is an frugal number, since it uses more digits than its factorization.

1144112515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7377 (or 7356 counting only the distinct ones).

The product of its digits is 800, while the sum is 25.

The square root of 1144112515 is about 33824.7322975364. The cubic root of 1144112515 is about 1045.8985929377.

Adding to 1144112515 its reverse (5152114411), we get a palindrome (6296226926).

The spelling of 1144112515 in words is "one billion, one hundred forty-four million, one hundred twelve thousand, five hundred fifteen".