105149305 has 8 divisors (see below), whose sum is σ = 126532800. Its totient is φ = 83883696.

The previous prime is 105149279. The next prime is 105149309. The reversal of 105149305 is 503941501.

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 105149305 - 2¹⁵ = 105116537 is a prime.

It is a super-2 number, since 2×105149305² = 22112752683966050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105149309) 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, 27495 + ... + 31084.

It is an arithmetic number, because the mean of its divisors is an integer number (15816600).

Almost surely, 2^105149305 is an apocalyptic number.

It is an amenable number.

105149305 is a deficient number, since it is larger than the sum of its proper divisors (21383495).

105149305 is an equidigital number, since it uses as much as digits as its factorization.

105149305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58943.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 105149305 is about 10254.2335159679. The cubic root of 105149305 is about 471.9929033334.

The spelling of 105149305 in words is "one hundred five million, one hundred forty-nine thousand, three hundred five".