105043400 has 192 divisors, whose sum is σ = 321408000. Its totient is φ = 30931200.

The previous prime is 105043397. The next prime is 105043429. The reversal of 105043400 is 4340501.

105043400 = 301² + 302² + ... + 699².

It is a super-2 number, since 2×105043400² = 22068231767120000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292421 + ... + 292779.

It is an arithmetic number, because the mean of its divisors is an integer number (1674000).

Almost surely, 2^105043400 is an apocalyptic number.

105043400 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 105043400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160704000).

105043400 is an abundant number, since it is smaller than the sum of its proper divisors (216364600).

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

105043400 is a wasteful number, since it uses less digits than its factorization.

105043400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 105043400 is about 10249.0682503338. The cubic root of 105043400 is about 471.8343884175.

Adding to 105043400 its reverse (4340501), we get a palindrome (109383901).

The spelling of 105043400 in words is "one hundred five million, forty-three thousand, four hundred".