1152530544 has 80 divisors (see below), whose sum is σ = 3303181440. Its totient is φ = 343322880.

The previous prime is 1152530543. The next prime is 1152530567. The reversal of 1152530544 is 4450352511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152530543) 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, 12654 + ... + 49650.

It is an arithmetic number, because the mean of its divisors is an integer number (41289768).

Almost surely, 2^1152530544 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 1152530544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1651590720).

1152530544 is an abundant number, since it is smaller than the sum of its proper divisors (2150650896).

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

1152530544 is a wasteful number, since it uses less digits than its factorization.

1152530544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37078 (or 37072 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1152530544 is about 33948.9402485556. The cubic root of 1152530544 is about 1048.4574610665.

The spelling of 1152530544 in words is "one billion, one hundred fifty-two million, five hundred thirty thousand, five hundred forty-four".