1148044489 has 16 divisors (see below), whose sum is σ = 1205867520. Its totient is φ = 1091563200.

The previous prime is 1148044451. The next prime is 1148044523. The reversal of 1148044489 is 9844408411.

It is a cyclic number.

It is not a de Polignac number, because 1148044489 - 2⁹ = 1148043977 is a prime.

It is a super-2 number, since 2×1148044489² = 2636012297446542242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148074489) 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, 587464 + ... + 589414.

It is an arithmetic number, because the mean of its divisors is an integer number (75366720).

Almost surely, 2^1148044489 is an apocalyptic number.

It is an amenable number.

1148044489 is a deficient number, since it is larger than the sum of its proper divisors (57823031).

1148044489 is a wasteful number, since it uses less digits than its factorization.

1148044489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 1148044489 is about 33882.8052114933. The cubic root of 1148044489 is about 1047.0953703263.

The spelling of 1148044489 in words is "one billion, one hundred forty-eight million, forty-four thousand, four hundred eighty-nine".