1144003115 has 16 divisors (see below), whose sum is σ = 1408034880. Its totient is φ = 891770880.

The previous prime is 1144003109. The next prime is 1144003121. The reversal of 1144003115 is 5113004411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1144003109) and next prime (1144003121).

It is not a de Polignac number, because 1144003115 - 2⁴ = 1144003099 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 187442 + ... + 193448.

It is an arithmetic number, because the mean of its divisors is an integer number (88002180).

Almost surely, 2^1144003115 is an apocalyptic number.

1144003115 is a deficient number, since it is larger than the sum of its proper divisors (264031765).

1144003115 is an equidigital number, since it uses as much as digits as its factorization.

1144003115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6982.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1144003115 is about 33823.1150989970. The cubic root of 1144003115 is about 1045.8652556124.

Adding to 1144003115 its reverse (5113004411), we get a palindrome (6257007526).

The spelling of 1144003115 in words is "one billion, one hundred forty-four million, three thousand, one hundred fifteen".