1148685824 has 160 divisors (see below), whose sum is σ = 2794508640. Its totient is φ = 464486400.

The previous prime is 1148685823. The next prime is 1148685829. The reversal of 1148685824 is 4285868411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148685823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2122994 + ... + 2123534.

It is an arithmetic number, because the mean of its divisors is an integer number (17465679).

Almost surely, 2^1148685824 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 1148685824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397254320).

1148685824 is an abundant number, since it is smaller than the sum of its proper divisors (1645822816).

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

1148685824 is a wasteful number, since it uses less digits than its factorization.

1148685824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 596 counting only the distinct ones).

The product of its digits is 491520, while the sum is 47.

The square root of 1148685824 is about 33892.2679087723. The cubic root of 1148685824 is about 1047.2903145428.

The spelling of 1148685824 in words is "one billion, one hundred forty-eight million, six hundred eighty-five thousand, eight hundred twenty-four".