30144286 has 8 divisors (see below), whose sum is σ = 45243720. Its totient is φ = 15063048.

The previous prime is 30144269. The next prime is 30144293. The reversal of 30144286 is 68244103.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 900 + ... + 7816.

It is an arithmetic number, because the mean of its divisors is an integer number (5655465).

Almost surely, 2^30144286 is an apocalyptic number.

30144286 is a deficient number, since it is larger than the sum of its proper divisors (15099434).

30144286 is a wasteful number, since it uses less digits than its factorization.

30144286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9098.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 30144286 is about 5490.3812253795. The cubic root of 30144286 is about 311.2205987185.

Adding to 30144286 its reverse (68244103), we get a palindrome (98388389).

The spelling of 30144286 in words is "thirty million, one hundred forty-four thousand, two hundred eighty-six".