105444210 has 64 divisors (see below), whose sum is σ = 263813760. Its totient is φ = 26949120.

The previous prime is 105444179. The next prime is 105444221. The reversal of 105444210 is 12444501.

It is a happy number.

It is a super-2 number, since 2×105444210² = 22236962845048200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71844 + ... + 73296.

It is an arithmetic number, because the mean of its divisors is an integer number (4122090).

Almost surely, 2^105444210 is an apocalyptic number.

105444210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 105444210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131906880).

105444210 is an abundant number, since it is smaller than the sum of its proper divisors (158369550).

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

105444210 is a wasteful number, since it uses less digits than its factorization.

105444210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 105444210 is about 10268.6031182435. The cubic root of 105444210 is about 472.4337467644.

Adding to 105444210 its reverse (12444501), we get a palindrome (117888711).

The spelling of 105444210 in words is "one hundred five million, four hundred forty-four thousand, two hundred ten".