105945251 has 8 divisors (see below), whose sum is σ = 108739584. Its totient is φ = 103180480.

The previous prime is 105945239. The next prime is 105945253. The reversal of 105945251 is 152549501.

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 105945251 - 2¹⁰ = 105944227 is a prime.

It is a super-2 number, since 2×105945251² = 22448792418906002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105945253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35 + ... + 14556.

It is an arithmetic number, because the mean of its divisors is an integer number (13592448).

Almost surely, 2^105945251 is an apocalyptic number.

105945251 is a deficient number, since it is larger than the sum of its proper divisors (2794333).

105945251 is a wasteful number, since it uses less digits than its factorization.

105945251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14781.

The product of its (nonzero) digits is 9000, while the sum is 32.

The square root of 105945251 is about 10292.9709510908. The cubic root of 105945251 is about 473.1808550831.

The spelling of 105945251 in words is "one hundred five million, nine hundred forty-five thousand, two hundred fifty-one".