105494565 has 16 divisors (see below), whose sum is σ = 184136256. Its totient is φ = 51148800.

The previous prime is 105494561. The next prime is 105494591. The reversal of 105494565 is 565494501.

It is not a de Polignac number, because 105494565 - 2² = 105494561 is a prime.

It is a super-2 number, since 2×105494565² = 22258206489078450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105494561) 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, 319516 + ... + 319845.

It is an arithmetic number, because the mean of its divisors is an integer number (11508516).

Almost surely, 2^105494565 is an apocalyptic number.

105494565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105494565 is a deficient number, since it is larger than the sum of its proper divisors (78641691).

105494565 is a wasteful number, since it uses less digits than its factorization.

105494565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639380.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 105494565 is about 10271.0547170191. The cubic root of 105494565 is about 472.5089385504.

The spelling of 105494565 in words is "one hundred five million, four hundred ninety-four thousand, five hundred sixty-five".