105308479 has 4 divisors (see below), whose sum is σ = 105457720. Its totient is φ = 105159240.

The previous prime is 105308477. The next prime is 105308503. The reversal of 105308479 is 974803501.

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

It is a cyclic number.

It is not a de Polignac number, because 105308479 - 2¹ = 105308477 is a prime.

It is a super-2 number, since 2×105308479² = 22179751498586882, 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 (105308471) 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, 73557 + ... + 74974.

It is an arithmetic number, because the mean of its divisors is an integer number (26364430).

Almost surely, 2^105308479 is an apocalyptic number.

105308479 is a deficient number, since it is larger than the sum of its proper divisors (149241).

105308479 is an equidigital number, since it uses as much as digits as its factorization.

105308479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149240.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 105308479 is about 10261.9919606283. The cubic root of 105308479 is about 472.2309493525.

The spelling of 105308479 in words is "one hundred five million, three hundred eight thousand, four hundred seventy-nine".