105645063 has 4 divisors (see below), whose sum is σ = 140860088. Its totient is φ = 70430040.

The previous prime is 105645061. The next prime is 105645083. The reversal of 105645063 is 360546501.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 105645063 - 2¹ = 105645061 is a prime.

It is a super-2 number, since 2×105645063² = 22321758672547938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105645063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105645061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17607508 + ... + 17607513.

It is an arithmetic number, because the mean of its divisors is an integer number (35215022).

Almost surely, 2^105645063 is an apocalyptic number.

105645063 is a deficient number, since it is larger than the sum of its proper divisors (35215025).

105645063 is an equidigital number, since it uses as much as digits as its factorization.

105645063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35215024.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 105645063 is about 10278.3784226891. The cubic root of 105645063 is about 472.7335247212.

The spelling of 105645063 in words is "one hundred five million, six hundred forty-five thousand, sixty-three".