1143044115 has 8 divisors (see below), whose sum is σ = 1828870608. Its totient is φ = 609623520.

The previous prime is 1143044107. The next prime is 1143044117. The reversal of 1143044115 is 5114403411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1143044115 - 2³ = 1143044107 is a prime.

It is a super-2 number, since 2×1143044115² = 2613099697672266450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1143044117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38101456 + ... + 38101485.

It is an arithmetic number, because the mean of its divisors is an integer number (228608826).

Almost surely, 2^1143044115 is an apocalyptic number.

1143044115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1143044115 is a deficient number, since it is larger than the sum of its proper divisors (685826493).

1143044115 is an equidigital number, since it uses as much as digits as its factorization.

1143044115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76202949.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1143044115 is about 33808.9354313324. The cubic root of 1143044115 is about 1045.5729297263.

Adding to 1143044115 its reverse (5114403411), we get a palindrome (6257447526).

The spelling of 1143044115 in words is "one billion, one hundred forty-three million, forty-four thousand, one hundred fifteen".