1148009632 has 144 divisors (see below), whose sum is σ = 2900953440. Its totient is φ = 442176000.

The previous prime is 1148009587. The next prime is 1148009641. The reversal of 1148009632 is 2369008411.

It is a super-2 number, since 2×1148009632² = 2635852230329550848, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 1741719 + ... + 1742377.

It is an arithmetic number, because the mean of its divisors is an integer number (20145510).

Almost surely, 2^1148009632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1148009632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1450476720).

1148009632 is an abundant number, since it is smaller than the sum of its proper divisors (1752943808).

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

1148009632 is a wasteful number, since it uses less digits than its factorization.

1148009632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 780 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 1148009632 is about 33882.2908316424. The cubic root of 1148009632 is about 1047.0847728936.

The spelling of 1148009632 in words is "one billion, one hundred forty-eight million, nine thousand, six hundred thirty-two".