105405448 has 8 divisors (see below), whose sum is σ = 197635230. Its totient is φ = 52702720.

The previous prime is 105405409. The next prime is 105405463. The reversal of 105405448 is 844504501.

It can be written as a sum of positive squares in only one way, i.e., 69189124 + 36216324 = 8318^2 + 6018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105405448² = 22220616936161408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6587833 + ... + 6587848.

Almost surely, 2^105405448 is an apocalyptic number.

It is an amenable number.

105405448 is a deficient number, since it is larger than the sum of its proper divisors (92229782).

105405448 is a wasteful number, since it uses less digits than its factorization.

105405448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13175687 (or 13175683 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

The square root of 105405448 is about 10266.7155410092. The cubic root of 105405448 is about 472.3758497296.

Adding to 105405448 its reverse (844504501), we get a palindrome (949909949).

The spelling of 105405448 in words is "one hundred five million, four hundred five thousand, four hundred forty-eight".