1148434775 has 12 divisors (see below), whose sum is σ = 1425814992. Its totient is φ = 917615040.

The previous prime is 1148434769. The next prime is 1148434789. The reversal of 1148434775 is 5774348411.

It is not a de Polignac number, because 1148434775 - 2¹⁰ = 1148433751 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7334 + ... + 48483.

It is an arithmetic number, because the mean of its divisors is an integer number (118817916).

Almost surely, 2^1148434775 is an apocalyptic number.

1148434775 is a deficient number, since it is larger than the sum of its proper divisors (277380217).

1148434775 is an equidigital number, since it uses as much as digits as its factorization.

1148434775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56650 (or 56645 counting only the distinct ones).

The product of its digits is 376320, while the sum is 44.

The square root of 1148434775 is about 33888.5640740354. The cubic root of 1148434775 is about 1047.2140127560.

The spelling of 1148434775 in words is "one billion, one hundred forty-eight million, four hundred thirty-four thousand, seven hundred seventy-five".