30144075 has 48 divisors (see below), whose sum is σ = 54996480. Its totient is φ = 14474880.

The previous prime is 30144073. The next prime is 30144097. The reversal of 30144075 is 57044103.

It is not a de Polignac number, because 30144075 - 2¹ = 30144073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30144073) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41566 + ... + 42284.

It is an arithmetic number, because the mean of its divisors is an integer number (1145760).

Almost surely, 2^30144075 is an apocalyptic number.

30144075 is a deficient number, since it is larger than the sum of its proper divisors (24852405).

30144075 is a wasteful number, since it uses less digits than its factorization.

30144075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 30144075 is about 5490.3620099225. The cubic root of 30144075 is about 311.2198725698.

Adding to 30144075 its reverse (57044103), we get a palindrome (87188178).

The spelling of 30144075 in words is "thirty million, one hundred forty-four thousand, seventy-five".