1148046889 has 4 divisors (see below), whose sum is σ = 1252414800. Its totient is φ = 1043678980.

The previous prime is 1148046799. The next prime is 1148046917. The reversal of 1148046889 is 9886408411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9886408411 = 11 ⋅898764401.

It is a cyclic number.

It is not a de Polignac number, because 1148046889 - 2¹¹ = 1148044841 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1148046589) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52183939 + ... + 52183960.

It is an arithmetic number, because the mean of its divisors is an integer number (313103700).

Almost surely, 2^1148046889 is an apocalyptic number.

It is an amenable number.

1148046889 is a deficient number, since it is larger than the sum of its proper divisors (104367911).

1148046889 is a wasteful number, since it uses less digits than its factorization.

1148046889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104367910.

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 1148046889 is about 33882.8406276687. The cubic root of 1148046889 is about 1047.0960999807.

The spelling of 1148046889 in words is "one billion, one hundred forty-eight million, forty-six thousand, eight hundred eighty-nine".