105045320 has 32 divisors (see below), whose sum is σ = 236649600. Its totient is φ = 41965248.

The previous prime is 105045313. The next prime is 105045323. The reversal of 105045320 is 23540501.

It is a super-2 number, since 2×105045320² = 22069038507804800, 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 = 105045292 and 105045301.

It is not an unprimeable number, because it can be changed into a prime (105045323) 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, 52091 + ... + 54069.

It is an arithmetic number, because the mean of its divisors is an integer number (7395300).

Almost surely, 2^105045320 is an apocalyptic number.

105045320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105045320 is an abundant number, since it is smaller than the sum of its proper divisors (131604280).

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

105045320 is a wasteful number, since it uses less digits than its factorization.

105045320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3317 (or 3313 counting only the distinct ones).

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

The square root of 105045320 is about 10249.1619169569. The cubic root of 105045320 is about 471.8372631547.

Adding to 105045320 its reverse (23540501), we get a palindrome (128585821).

The spelling of 105045320 in words is "one hundred five million, forty-five thousand, three hundred twenty".