4500145 has 8 divisors (see below), whose sum is σ = 5815656. Its totient is φ = 3323136.

The previous prime is 4500143. The next prime is 4500161. The reversal of 4500145 is 5410054.

It can be written as a sum of positive squares in 4 ways, for example, as 992016 + 3508129 = 996^2 + 1873^2 .

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 4500145 - 2¹ = 4500143 is a prime.

It is a Duffinian number.

4500145 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4500143) 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, 34552 + ... + 34681.

It is an arithmetic number, because the mean of its divisors is an integer number (726957).

Almost surely, 2^4500145 is an apocalyptic number.

It is an amenable number.

4500145 is a deficient number, since it is larger than the sum of its proper divisors (1315511).

4500145 is a wasteful number, since it uses less digits than its factorization.

4500145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69251.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4500145 is about 2121.3545201121. The cubic root of 4500145 is about 165.0981356829.

Adding to 4500145 its reverse (5410054), we get a palindrome (9910199).

Subtracting 4500145 from its reverse (5410054), we obtain a palindrome (909909).

The spelling of 4500145 in words is "four million, five hundred thousand, one hundred forty-five".