105193147 has 4 divisors (see below), whose sum is σ = 105267096. Its totient is φ = 105119200.

The previous prime is 105193141. The next prime is 105193157. The reversal of 105193147 is 741391501.

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 105193147 - 2⁷ = 105193019 is a prime.

It is a super-2 number, since 2×105193147² = 22131196351527218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105193141) 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, 34798 + ... + 37699.

It is an arithmetic number, because the mean of its divisors is an integer number (26316774).

Almost surely, 2^105193147 is an apocalyptic number.

105193147 is a deficient number, since it is larger than the sum of its proper divisors (73949).

105193147 is an equidigital number, since it uses as much as digits as its factorization.

105193147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73948.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 105193147 is about 10256.3710443802. The cubic root of 105193147 is about 472.0584933613.

The spelling of 105193147 in words is "one hundred five million, one hundred ninety-three thousand, one hundred forty-seven".