105143030 has 8 divisors (see below), whose sum is σ = 189257472. Its totient is φ = 42057208.

The previous prime is 105143029. The next prime is 105143039. The reversal of 105143030 is 30341501.

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

It is a super-2 number, since 2×105143030² = 22110113515161800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105143039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5257142 + ... + 5257161.

It is an arithmetic number, because the mean of its divisors is an integer number (23657184).

Almost surely, 2^105143030 is an apocalyptic number.

105143030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105143030 is a deficient number, since it is larger than the sum of its proper divisors (84114442).

105143030 is a wasteful number, since it uses less digits than its factorization.

105143030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10514310.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 105143030 is about 10253.9275402160. The cubic root of 105143030 is about 471.9835140991.

Adding to 105143030 its reverse (30341501), we get a palindrome (135484531).

The spelling of 105143030 in words is "one hundred five million, one hundred forty-three thousand, thirty".