30144460 has 24 divisors (see below), whose sum is σ = 63934416. Its totient is φ = 11937600.

The previous prime is 30144449. The next prime is 30144487. The reversal of 30144460 is 6444103.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 5442 + ... + 9481.

It is an arithmetic number, because the mean of its divisors is an integer number (2663934).

Almost surely, 2^30144460 is an apocalyptic number.

It is an amenable number.

30144460 is an abundant number, since it is smaller than the sum of its proper divisors (33789956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30144460 is a wasteful number, since it uses less digits than its factorization.

30144460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15033 (or 15031 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 30144460 is about 5490.3970712509. The cubic root of 30144460 is about 311.2211975305.

Adding to 30144460 its reverse (6444103), we get a palindrome (36588563).

The spelling of 30144460 in words is "thirty million, one hundred forty-four thousand, four hundred sixty".