4545531232 has 48 divisors (see below), whose sum is σ = 9793989072. Its totient is φ = 2059499520.

The previous prime is 4545531197. The next prime is 4545531233. The reversal of 4545531232 is 2321355454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545531233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89548 + ... + 130804.

It is an arithmetic number, because the mean of its divisors is an integer number (204041439).

Almost surely, 2^4545531232 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 4545531232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4896994536).

4545531232 is an abundant number, since it is smaller than the sum of its proper divisors (5248457840).

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

4545531232 is a wasteful number, since it uses less digits than its factorization.

4545531232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41591 (or 41583 counting only the distinct ones).

The product of its digits is 72000, while the sum is 34.

The square root of 4545531232 is about 67420.5549665679. The cubic root of 4545531232 is about 1656.5131279548.

Adding to 4545531232 its reverse (2321355454), we get a palindrome (6866886686).

The spelling of 4545531232 in words is "four billion, five hundred forty-five million, five hundred thirty-one thousand, two hundred thirty-two".