4582272645 has 18 divisors (see below), whose sum is σ = 7943393094. Its totient is φ = 2443636560.

The previous prime is 4582272631. The next prime is 4582272647. The reversal of 4582272645 is 5462722854.

4582272645 is a `hidden beast` number, since 4 + 582 + 2 + 7 + 2 + 64 + 5 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3665818116 + 916454529 = 60546^2 + 30273^2 .

It is not a de Polignac number, because 4582272645 - 2⁹ = 4582272133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 4582272645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4582272647) 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 17 ways as a sum of consecutive naturals, for example, 449050 + ... + 459140.

Almost surely, 2^4582272645 is an apocalyptic number.

4582272645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4582272645 is a deficient number, since it is larger than the sum of its proper divisors (3361120449).

4582272645 is an frugal number, since it uses more digits than its factorization.

4582272645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20193 (or 10099 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 4582272645 is about 67692.4858828511. The cubic root of 4582272645 is about 1660.9643408497.

Multiplying 4582272645 by its sum of digits (45), we get a square (206202269025 = 454095²).

4582272645 divided by its sum of digits (45) gives a square (101828281 = 10091²).

The spelling of 4582272645 in words is "four billion, five hundred eighty-two million, two hundred seventy-two thousand, six hundred forty-five".