105191552 has 16 divisors (see below), whose sum is σ = 209561550. Its totient is φ = 52595712.

The previous prime is 105191549. The next prime is 105191579. The reversal of 105191552 is 255191501.

It can be written as a sum of positive squares in only one way, i.e., 61842496 + 43349056 = 7864^2 + 6584^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×105191552² = 22130525224337408, 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, 410777 + ... + 411032.

Almost surely, 2^105191552 is an apocalyptic number.

It is an amenable number.

105191552 is a deficient number, since it is larger than the sum of its proper divisors (104369998).

105191552 is an frugal number, since it uses more digits than its factorization.

105191552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821823 (or 821811 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 29.

The square root of 105191552 is about 10256.2932875381. The cubic root of 105191552 is about 472.0561074736.

The spelling of 105191552 in words is "one hundred five million, one hundred ninety-one thousand, five hundred fifty-two".