105645263 has 8 divisors (see below), whose sum is σ = 111830400. Its totient is φ = 99522648.

The previous prime is 105645227. The next prime is 105645269. The reversal of 105645263 is 362546501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105645263 - 2¹² = 105641167 is a prime.

It is a super-2 number, since 2×105645263² = 22321843188678338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105645269) 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, 12131 + ... + 18932.

It is an arithmetic number, because the mean of its divisors is an integer number (13978800).

Almost surely, 2^105645263 is an apocalyptic number.

105645263 is a deficient number, since it is larger than the sum of its proper divisors (6185137).

105645263 is a wasteful number, since it uses less digits than its factorization.

105645263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31261.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 105645263 is about 10278.3881518456. The cubic root of 105645263 is about 472.7338230366.

The spelling of 105645263 in words is "one hundred five million, six hundred forty-five thousand, two hundred sixty-three".