30144134 has 8 divisors (see below), whose sum is σ = 45275328. Its totient is φ = 15052360.

The previous prime is 30144131. The next prime is 30144139. The reversal of 30144134 is 43144103.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144131) 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, 7862 + ... + 11049.

It is an arithmetic number, because the mean of its divisors is an integer number (5659416).

Almost surely, 2^30144134 is an apocalyptic number.

30144134 is a deficient number, since it is larger than the sum of its proper divisors (15131194).

30144134 is a wasteful number, since it uses less digits than its factorization.

30144134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19710.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 30144134 is about 5490.3673829717. The cubic root of 30144134 is about 311.2200756164.

Adding to 30144134 its reverse (43144103), we get a palindrome (73288237).

The spelling of 30144134 in words is "thirty million, one hundred forty-four thousand, one hundred thirty-four".