500145320 has 64 divisors (see below), whose sum is σ = 1169856000. Its totient is φ = 192234240.

The previous prime is 500145319. The next prime is 500145329. The reversal of 500145320 is 23541005.

It is a super-2 number, since 2×500145320² = 500290682235804800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 500145292 and 500145301.

It is not an unprimeable number, because it can be changed into a prime (500145329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 183407 + ... + 186113.

It is an arithmetic number, because the mean of its divisors is an integer number (18279000).

Almost surely, 2^500145320 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 500145320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (584928000).

500145320 is an abundant number, since it is smaller than the sum of its proper divisors (669710680).

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

500145320 is a wasteful number, since it uses less digits than its factorization.

500145320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2894 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 500145320 is about 22363.9289929118. The cubic root of 500145320 is about 793.7774122428. Note that the first 3 decimals are identical.

Adding to 500145320 its reverse (23541005), we get a palindrome (523686325).

The spelling of 500145320 in words is "five hundred million, one hundred forty-five thousand, three hundred twenty".