30246144 has 36 divisors (see below), whose sum is σ = 80500896. Its totient is φ = 10081792.

The previous prime is 30246143. The next prime is 30246149. The reversal of 30246144 is 44164203.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30246143) 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, 18924 + ... + 20459.

It is an arithmetic number, because the mean of its divisors is an integer number (2236136).

Almost surely, 2^30246144 is an apocalyptic number.

It is an amenable number.

30246144 is an abundant number, since it is smaller than the sum of its proper divisors (50254752).

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

30246144 is an equidigital number, since it uses as much as digits as its factorization.

30246144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39402 (or 39388 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 30246144 is about 5499.6494433736. The cubic root of 30246144 is about 311.5707443408.

The spelling of 30246144 in words is "thirty million, two hundred forty-six thousand, one hundred forty-four".