105645265 has 16 divisors (see below), whose sum is σ = 140368320. Its totient is φ = 75683520.

The previous prime is 105645227. The next prime is 105645269. The reversal of 105645265 is 562546501.

It is not a de Polignac number, because 105645265 - 2¹⁵ = 105612497 is a prime.

It is a super-2 number, since 2×105645265² = 22321844033840450, 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 105645265.

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 15 ways as a sum of consecutive naturals, for example, 10650 + ... + 18019.

It is an arithmetic number, because the mean of its divisors is an integer number (8773020).

Almost surely, 2^105645265 is an apocalyptic number.

It is an amenable number.

105645265 is a deficient number, since it is larger than the sum of its proper divisors (34723055).

105645265 is a wasteful number, since it uses less digits than its factorization.

105645265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28752.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 105645265 is about 10278.3882491371. The cubic root of 105645265 is about 472.7338260197.

The spelling of 105645265 in words is "one hundred five million, six hundred forty-five thousand, two hundred sixty-five".