105143008 has 12 divisors (see below), whose sum is σ = 207000360. Its totient is φ = 52571488.

The previous prime is 105142981. The next prime is 105143021. The reversal of 105143008 is 800341501.

It is a super-2 number, since 2×105143008² = 22110104262576128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105143008.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1642828 + ... + 1642891.

It is an arithmetic number, because the mean of its divisors is an integer number (17250030).

Almost surely, 2^105143008 is an apocalyptic number.

It is an amenable number.

105143008 is a deficient number, since it is larger than the sum of its proper divisors (101857352).

105143008 is an equidigital number, since it uses as much as digits as its factorization.

105143008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285729 (or 3285721 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 105143008 is about 10253.9264674563. The cubic root of 105143008 is about 471.9834811800.

Adding to 105143008 its reverse (800341501), we get a palindrome (905484509).

The spelling of 105143008 in words is "one hundred five million, one hundred forty-three thousand, eight".