30444148 has 12 divisors (see below), whose sum is σ = 60888352. Its totient is φ = 13047480.

The previous prime is 30444143. The next prime is 30444163. The reversal of 30444148 is 84144403.

30444148 is an admirable number.

It is a super-2 number, since 2×30444148² = 1853692294891808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1087291 = 30444148 / (3 + 0 + 4 + 4 + 4 + 1 + 4 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30444143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 543618 + ... + 543673.

Almost surely, 2^30444148 is an apocalyptic number.

It is an amenable number.

30444148 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

30444148 is a wasteful number, since it uses less digits than its factorization.

30444148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087302 (or 1087300 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 30444148 is about 5517.6215890545. The cubic root of 30444148 is about 312.2491572098.

The spelling of 30444148 in words is "thirty million, four hundred forty-four thousand, one hundred forty-eight".