8520450144 has 24 divisors (see below), whose sum is σ = 22366181880. Its totient is φ = 2840150016.

The previous prime is 8520450097. The next prime is 8520450149. The reversal of 8520450144 is 4410540258.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8520450149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44377249 + ... + 44377440.

It is an arithmetic number, because the mean of its divisors is an integer number (931924245).

Almost surely, 2^8520450144 is an apocalyptic number.

It is an amenable number.

8520450144 is an abundant number, since it is smaller than the sum of its proper divisors (13845731736).

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

8520450144 is a wasteful number, since it uses less digits than its factorization.

8520450144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88754702 (or 88754694 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 33.

The square root of 8520450144 is about 92306.2844231096. The cubic root of 8520450144 is about 2042.4629153398.

The spelling of 8520450144 in words is "eight billion, five hundred twenty million, four hundred fifty thousand, one hundred forty-four".