4505144521 has 8 divisors (see below), whose sum is σ = 4576856960. Its totient is φ = 4433563728.

The previous prime is 4505144507. The next prime is 4505144563. The reversal of 4505144521 is 1254415054.

It is a happy number.

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 4505144521 - 2⁹ = 4505144009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4505144591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37255 + ... + 101971.

It is an arithmetic number, because the mean of its divisors is an integer number (572107120).

Almost surely, 2^4505144521 is an apocalyptic number.

It is an amenable number.

4505144521 is a deficient number, since it is larger than the sum of its proper divisors (71712439).

4505144521 is a wasteful number, since it uses less digits than its factorization.

4505144521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65823.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 4505144521 is about 67120.3733675551. The cubic root of 4505144521 is about 1651.5925268515.

Adding to 4505144521 its reverse (1254415054), we get a palindrome (5759559575).

The spelling of 4505144521 in words is "four billion, five hundred five million, one hundred forty-four thousand, five hundred twenty-one".