4500137645 has 8 divisors (see below), whose sum is σ = 5409275256. Its totient is φ = 3594036736.

The previous prime is 4500137639. The next prime is 4500137647. The reversal of 4500137645 is 5467310054.

It can be written as a sum of positive squares in 4 ways, for example, as 27604516 + 4472533129 = 5254^2 + 66877^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4500137645 - 2⁶ = 4500137581 is a prime.

It is a super-3 number, since 3×4500137645³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4500137647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 755912 + ... + 761841.

It is an arithmetic number, because the mean of its divisors is an integer number (676159407).

Almost surely, 2^4500137645 is an apocalyptic number.

It is an amenable number.

4500137645 is a deficient number, since it is larger than the sum of its proper divisors (909137611).

4500137645 is a wasteful number, since it uses less digits than its factorization.

4500137645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518351.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 4500137645 is about 67083.0652624043. The cubic root of 4500137645 is about 1650.9804573785.

Adding to 4500137645 its reverse (5467310054), we get a palindrome (9967447699).

The spelling of 4500137645 in words is "four billion, five hundred million, one hundred thirty-seven thousand, six hundred forty-five".