4545388532 has 18 divisors (see below), whose sum is σ = 8449863702. Its totient is φ = 2139005824.

The previous prime is 4545388531. The next prime is 4545388553. The reversal of 4545388532 is 2358835454.

It can be written as a sum of positive squares in 3 ways, for example, as 1815952996 + 2729435536 = 42614^2 + 52244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545388531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1964843 + ... + 1967154.

Almost surely, 2^4545388532 is an apocalyptic number.

It is an amenable number.

4545388532 is a deficient number, since it is larger than the sum of its proper divisors (3904475170).

4545388532 is a wasteful number, since it uses less digits than its factorization.

4545388532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932035 (or 3932016 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 47.

The square root of 4545388532 is about 67419.4966756650. The cubic root of 4545388532 is about 1656.4957932081.

The spelling of 4545388532 in words is "four billion, five hundred forty-five million, three hundred eighty-eight thousand, five hundred thirty-two".