105113144 has 8 divisors (see below), whose sum is σ = 197087160. Its totient is φ = 52556568.

The previous prime is 105113117. The next prime is 105113167. The reversal of 105113144 is 441311501.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105113144² = 22097546083129472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6569564 + ... + 6569579.

It is an arithmetic number, because the mean of its divisors is an integer number (24635895).

Almost surely, 2^105113144 is an apocalyptic number.

It is an amenable number.

105113144 is a deficient number, since it is larger than the sum of its proper divisors (91974016).

105113144 is a wasteful number, since it uses less digits than its factorization.

105113144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13139149 (or 13139145 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 105113144 is about 10252.4701413854. The cubic root of 105113144 is about 471.9387907795.

Adding to 105113144 its reverse (441311501), we get a palindrome (546424645).

The spelling of 105113144 in words is "one hundred five million, one hundred thirteen thousand, one hundred forty-four".