105543132 has 24 divisors (see below), whose sum is σ = 249236736. Its totient is φ = 34756848.

The previous prime is 105543079. The next prime is 105543197. The reversal of 105543132 is 231345501.

It is a super-2 number, since 2×105543132² = 22278705424738848, 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 7 ways as a sum of consecutive naturals, for example, 51988 + ... + 53979.

It is an arithmetic number, because the mean of its divisors is an integer number (10384864).

Almost surely, 2^105543132 is an apocalyptic number.

105543132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

105543132 is an abundant number, since it is smaller than the sum of its proper divisors (143693604).

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

105543132 is a wasteful number, since it uses less digits than its factorization.

105543132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106057 (or 106055 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 105543132 is about 10273.4187104391. The cubic root of 105543132 is about 472.5814377700.

Adding to 105543132 its reverse (231345501), we get a palindrome (336888633).

The spelling of 105543132 in words is "one hundred five million, five hundred forty-three thousand, one hundred thirty-two".