105143964 has 12 divisors (see below), whose sum is σ = 245335944. Its totient is φ = 35047984.

The previous prime is 105143939. The next prime is 105143989. The reversal of 105143964 is 469341501.

It is an interprime number because it is at equal distance from previous prime (105143939) and next prime (105143989).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105143964² = 22110506331266592, 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 in 3 ways as a sum of consecutive naturals, for example, 4380987 + ... + 4381010.

It is an arithmetic number, because the mean of its divisors is an integer number (20444662).

Almost surely, 2^105143964 is an apocalyptic number.

It is an amenable number.

105143964 is an abundant number, since it is smaller than the sum of its proper divisors (140191980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105143964 is a wasteful number, since it uses less digits than its factorization.

105143964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762004 (or 8762002 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 105143964 is about 10253.9730836393. The cubic root of 105143964 is about 471.9849116598.

The spelling of 105143964 in words is "one hundred five million, one hundred forty-three thousand, nine hundred sixty-four".