1159238648 has 8 divisors (see below), whose sum is σ = 2173572480. Its totient is φ = 579619320.

The previous prime is 1159238611. The next prime is 1159238651. The reversal of 1159238648 is 8468329511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72452408 + ... + 72452423.

It is an arithmetic number, because the mean of its divisors is an integer number (271696560).

Almost surely, 2^1159238648 is an apocalyptic number.

It is an amenable number.

1159238648 is a deficient number, since it is larger than the sum of its proper divisors (1014333832).

1159238648 is a wasteful number, since it uses less digits than its factorization.

1159238648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144904837 (or 144904833 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 1159238648 is about 34047.5938650590. The cubic root of 1159238648 is about 1050.4876489220.

The spelling of 1159238648 in words is "one billion, one hundred fifty-nine million, two hundred thirty-eight thousand, six hundred forty-eight".