30143105 has 8 divisors (see below), whose sum is σ = 36244032. Its totient is φ = 24066288.

The previous prime is 30143081. The next prime is 30143111. The reversal of 30143105 is 50134103.

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

It is a cyclic number.

It is not a de Polignac number, because 30143105 - 2²² = 25948801 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 3149 + ... + 8378.

It is an arithmetic number, because the mean of its divisors is an integer number (4530504).

Almost surely, 2^30143105 is an apocalyptic number.

It is an amenable number.

30143105 is a deficient number, since it is larger than the sum of its proper divisors (6100927).

30143105 is a wasteful number, since it uses less digits than its factorization.

30143105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12055.

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

The square root of 30143105 is about 5490.2736725959. The cubic root of 30143105 is about 311.2165343072.

Adding to 30143105 its reverse (50134103), we get a palindrome (80277208).

The spelling of 30143105 in words is "thirty million, one hundred forty-three thousand, one hundred five".