105432849 has 12 divisors (see below), whose sum is σ = 152475856. Its totient is φ = 70203672.

The previous prime is 105432841. The next prime is 105432863. The reversal of 105432849 is 948234501.

It is not a de Polignac number, because 105432849 - 2³ = 105432841 is a prime.

It is a super-2 number, since 2×105432849² = 22232171296513602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105432841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1314 + ... + 14580.

Almost surely, 2^105432849 is an apocalyptic number.

It is an amenable number.

105432849 is a deficient number, since it is larger than the sum of its proper divisors (47043007).

105432849 is a wasteful number, since it uses less digits than its factorization.

105432849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14156 (or 14153 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 105432849 is about 10268.0499122277. The cubic root of 105432849 is about 472.4167788260.

The spelling of 105432849 in words is "one hundred five million, four hundred thirty-two thousand, eight hundred forty-nine".