30144158 has 8 divisors (see below), whose sum is σ = 49326840. Its totient is φ = 13701880.

The previous prime is 30144139. The next prime is 30144173. The reversal of 30144158 is 85144103.

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, 685073 + ... + 685116.

It is an arithmetic number, because the mean of its divisors is an integer number (6165855).

Almost surely, 2^30144158 is an apocalyptic number.

30144158 is a deficient number, since it is larger than the sum of its proper divisors (19182682).

30144158 is a wasteful number, since it uses less digits than its factorization.

30144158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370202.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 30144158 is about 5490.3695686174. The cubic root of 30144158 is about 311.2201582116.

Subtracting 30144158 from its reverse (85144103), we obtain a palindrome (54999945).

The spelling of 30144158 in words is "thirty million, one hundred forty-four thousand, one hundred fifty-eight".