105551147 has 12 divisors (see below), whose sum is σ = 121021560. Its totient is φ = 91698048.

The previous prime is 105551129. The next prime is 105551191. The reversal of 105551147 is 741155501.

It is not a de Polignac number, because 105551147 - 2⁸ = 105550891 is a prime.

It is a super-2 number, since 2×105551147² = 22282089266031218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105551447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15497 + ... + 21242.

It is an arithmetic number, because the mean of its divisors is an integer number (10085130).

Almost surely, 2^105551147 is an apocalyptic number.

105551147 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

105551147 is a deficient number, since it is larger than the sum of its proper divisors (15470413).

105551147 is a wasteful number, since it uses less digits than its factorization.

105551147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36782 (or 36769 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 105551147 is about 10273.8087873972. The cubic root of 105551147 is about 472.5934001601.

The spelling of 105551147 in words is "one hundred five million, five hundred fifty-one thousand, one hundred forty-seven".