30144256 has 18 divisors (see below), whose sum is σ = 60171272. Its totient is φ = 15072000.

The previous prime is 30144251. The next prime is 30144259. The reversal of 30144256 is 65244103.

It is a self number, because there is not a number n which added to its sum of digits gives 30144256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144251) by changing a digit.

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 as a sum of consecutive naturals, namely, 58620 + ... + 59131.

Almost surely, 2^30144256 is an apocalyptic number.

It is an amenable number.

30144256 is a deficient number, since it is larger than the sum of its proper divisors (30027016).

30144256 is an equidigital number, since it uses as much as digits as its factorization.

30144256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117767 (or 117753 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 30144256 is about 5490.3784933281. The cubic root of 30144256 is about 311.2204954748.

Adding to 30144256 its reverse (65244103), we get a palindrome (95388359).

The spelling of 30144256 in words is "thirty million, one hundred forty-four thousand, two hundred fifty-six".