105143355 has 12 divisors (see below), whose sum is σ = 182248560. Its totient is φ = 56076432.

The previous prime is 105143329. The next prime is 105143377. The reversal of 105143355 is 553341501.

It is not a de Polignac number, because 105143355 - 2⁸ = 105143099 is a prime.

It is a super-2 number, since 2×105143355² = 22110250201312050, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 1168215 + ... + 1168304.

It is an arithmetic number, because the mean of its divisors is an integer number (15187380).

Almost surely, 2^105143355 is an apocalyptic number.

105143355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105143355 is a deficient number, since it is larger than the sum of its proper divisors (77105205).

105143355 is a wasteful number, since it uses less digits than its factorization.

105143355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2336530 (or 2336527 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 105143355 is about 10253.9433877899. The cubic root of 105143355 is about 471.9840004033.

Adding to 105143355 its reverse (553341501), we get a palindrome (658484856).

The spelling of 105143355 in words is "one hundred five million, one hundred forty-three thousand, three hundred fifty-five".