105516145 has 8 divisors (see below), whose sum is σ = 144707904. Its totient is φ = 72353904.

The previous prime is 105516143. The next prime is 105516149. The reversal of 105516145 is 541615501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105516145 - 2¹ = 105516143 is a prime.

It is a super-2 number, since 2×105516145² = 22267313711322050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105516143) 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, 1507339 + ... + 1507408.

It is an arithmetic number, because the mean of its divisors is an integer number (18088488).

Almost surely, 2^105516145 is an apocalyptic number.

It is an amenable number.

105516145 is a deficient number, since it is larger than the sum of its proper divisors (39191759).

105516145 is an equidigital number, since it uses as much as digits as its factorization.

105516145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014759.

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 105516145 is about 10272.1051883243. The cubic root of 105516145 is about 472.5411552107.

It can be divided in two parts, 10 and 5516145, that added together give a palindrome (5516155).

The spelling of 105516145 in words is "one hundred five million, five hundred sixteen thousand, one hundred forty-five".