5145220320 has 96 divisors (see below), whose sum is σ = 16316445600. Its totient is φ = 1362831360.

The previous prime is 5145220303. The next prime is 5145220411. The reversal of 5145220320 is 230225415.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35550 + ... + 107490.

It is an arithmetic number, because the mean of its divisors is an integer number (169962975).

Almost surely, 2^5145220320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5145220320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8158222800).

5145220320 is an abundant number, since it is smaller than the sum of its proper divisors (11171225280).

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

5145220320 is a wasteful number, since it uses less digits than its factorization.

5145220320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72108 (or 72100 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5145220320 is about 71730.1911331623. The cubic root of 5145220320 is about 1726.3730936680.

Adding to 5145220320 its reverse (230225415), we get a palindrome (5375445735).

The spelling of 5145220320 in words is "five billion, one hundred forty-five million, two hundred twenty thousand, three hundred twenty".