1148311656 has 24 divisors (see below), whose sum is σ = 3110010930. Its totient is φ = 382770528.

The previous prime is 1148311627. The next prime is 1148311667. The reversal of 1148311656 is 6561138411.

It is a happy number.

1148311656 is a `hidden beast` number, since 11 + 483 + 1 + 165 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1144739556 + 3572100 = 33834^2 + 1890^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1148311656.

It is an unprimeable number.

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, 7974315 + ... + 7974458.

Almost surely, 2^1148311656 is an apocalyptic number.

It is an amenable number.

1148311656 is an abundant number, since it is smaller than the sum of its proper divisors (1961699274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1148311656 is a wasteful number, since it uses less digits than its factorization.

1148311656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15948785 (or 15948778 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 1148311656 is about 33886.7474981002. The cubic root of 1148311656 is about 1047.1765889068.

The spelling of 1148311656 in words is "one billion, one hundred forty-eight million, three hundred eleven thousand, six hundred fifty-six".