105534172 has 12 divisors (see below), whose sum is σ = 184786056. Its totient is φ = 52738160.

The previous prime is 105534139. The next prime is 105534211. The reversal of 105534172 is 271435501.

It is a happy number.

It is a super-2 number, since 2×105534172² = 22274922919451168, 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 105534172.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2403 + ... + 14725.

It is an arithmetic number, because the mean of its divisors is an integer number (15398838).

Almost surely, 2^105534172 is an apocalyptic number.

It is an amenable number.

105534172 is a deficient number, since it is larger than the sum of its proper divisors (79251884).

105534172 is a wasteful number, since it uses less digits than its factorization.

105534172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14468 (or 14466 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 105534172 is about 10272.9826243404. The cubic root of 105534172 is about 472.5680642502.

Adding to 105534172 its reverse (271435501), we get a palindrome (376969673).

The spelling of 105534172 in words is "one hundred five million, five hundred thirty-four thousand, one hundred seventy-two".