105644152 has 32 divisors (see below), whose sum is σ = 208565280. Its totient is φ = 50068480.

The previous prime is 105644141. The next prime is 105644153. The reversal of 105644152 is 251446501.

It is a super-2 number, since 2×105644152² = 22321373703598208, 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 105644152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105644153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18252 + ... + 23332.

It is an arithmetic number, because the mean of its divisors is an integer number (6517665).

Almost surely, 2^105644152 is an apocalyptic number.

It is an amenable number.

105644152 is a deficient number, since it is larger than the sum of its proper divisors (102921128).

105644152 is a wasteful number, since it uses less digits than its factorization.

105644152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5223 (or 5219 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 105644152 is about 10278.3341062645. The cubic root of 105644152 is about 472.7321658898.

The spelling of 105644152 in words is "one hundred five million, six hundred forty-four thousand, one hundred fifty-two".