4545021024 has 192 divisors, whose sum is σ = 13501313280. Its totient is φ = 1487324160.

The previous prime is 4545021023. The next prime is 4545021049. The reversal of 4545021024 is 4201205454.

4545021024 is a `hidden beast` number, since 4 + 54 + 502 + 102 + 4 = 666.

It is a super-2 number, since 2×4545021024² = 41314432217204017152, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545021023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19506412 + ... + 19506644.

It is an arithmetic number, because the mean of its divisors is an integer number (70319340).

Almost surely, 2^4545021024 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 4545021024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6750656640).

4545021024 is an abundant number, since it is smaller than the sum of its proper divisors (8956292256).

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

4545021024 is a wasteful number, since it uses less digits than its factorization.

4545021024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 4545021024 is about 67416.7710885059. The cubic root of 4545021024 is about 1656.4511478231.

Adding to 4545021024 its reverse (4201205454), we get a palindrome (8746226478).

The spelling of 4545021024 in words is "four billion, five hundred forty-five million, twenty-one thousand, twenty-four".