1148375817 has 6 divisors (see below), whose sum is σ = 1658765082. Its totient is φ = 765583872.

The previous prime is 1148375807. The next prime is 1148375821. The reversal of 1148375817 is 7185738411.

It can be written as a sum of positive squares in only one way, i.e., 1116294921 + 32080896 = 33411^2 + 5664^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1148375817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1148375807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 63798648 + ... + 63798665.

It is an arithmetic number, because the mean of its divisors is an integer number (276460847).

Almost surely, 2^1148375817 is an apocalyptic number.

It is an amenable number.

1148375817 is a deficient number, since it is larger than the sum of its proper divisors (510389265).

1148375817 is a wasteful number, since it uses less digits than its factorization.

1148375817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127597319 (or 127597316 counting only the distinct ones).

The product of its digits is 188160, while the sum is 45.

The square root of 1148375817 is about 33887.6941824020. The cubic root of 1148375817 is about 1047.1960919297.

The spelling of 1148375817 in words is "one billion, one hundred forty-eight million, three hundred seventy-five thousand, eight hundred seventeen".