1148656432 has 120 divisors (see below), whose sum is σ = 2947525632. Its totient is φ = 427996800.

The previous prime is 1148656429. The next prime is 1148656441. The reversal of 1148656432 is 2346568411.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 195457 + ... + 201247.

Almost surely, 2^1148656432 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 1148656432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1473762816).

1148656432 is an abundant number, since it is smaller than the sum of its proper divisors (1798869200).

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

1148656432 is a wasteful number, since it uses less digits than its factorization.

1148656432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5847 (or 5834 counting only the distinct ones).

The product of its digits is 138240, while the sum is 40.

The square root of 1148656432 is about 33891.8342967742. The cubic root of 1148656432 is about 1047.2813819526.

The spelling of 1148656432 in words is "one billion, one hundred forty-eight million, six hundred fifty-six thousand, four hundred thirty-two".