105043380 has 96 divisors (see below), whose sum is σ = 319382784. Its totient is φ = 25641984.

The previous prime is 105043373. The next prime is 105043387. The reversal of 105043380 is 83340501.

It is an interprime number because it is at equal distance from previous prime (105043373) and next prime (105043387).

It is a super-2 number, since 2×105043380² = 22068223363648800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105043380.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105043387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106369 + ... + 107351.

It is an arithmetic number, because the mean of its divisors is an integer number (3326904).

Almost surely, 2^105043380 is an apocalyptic number.

105043380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 105043380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159691392).

105043380 is an abundant number, since it is smaller than the sum of its proper divisors (214339404).

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

105043380 is a wasteful number, since it uses less digits than its factorization.

105043380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 105043380 is about 10249.0672746353. The cubic root of 105043380 is about 471.8343584722.

Adding to 105043380 its reverse (83340501), we get a palindrome (188383881).

The spelling of 105043380 in words is "one hundred five million, forty-three thousand, three hundred eighty".