105159047 has 6 divisors (see below), whose sum is σ = 122327928. Its totient is φ = 90136284.

The previous prime is 105159029. The next prime is 105159073. The reversal of 105159047 is 740951501.

It is not a de Polignac number, because 105159047 - 2⁸ = 105158791 is a prime.

It is a super-2 number, since 2×105159047² = 22116850331896418, 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 (105159077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1073003 + ... + 1073100.

It is an arithmetic number, because the mean of its divisors is an integer number (20387988).

Almost surely, 2^105159047 is an apocalyptic number.

105159047 is a deficient number, since it is larger than the sum of its proper divisors (17168881).

105159047 is an equidigital number, since it uses as much as digits as its factorization.

105159047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146117 (or 2146110 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 105159047 is about 10254.7085282810. The cubic root of 105159047 is about 472.0074794731.

The spelling of 105159047 in words is "one hundred five million, one hundred fifty-nine thousand, forty-seven".