30145430 has 16 divisors (see below), whose sum is σ = 62013600. Its totient is φ = 10335552.

The previous prime is 30145333. The next prime is 30145439. The reversal of 30145430 is 3454103.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145439) by changing a digit.

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, 215255 + ... + 215394.

It is an arithmetic number, because the mean of its divisors is an integer number (3875850).

Almost surely, 2^30145430 is an apocalyptic number.

30145430 is an abundant number, since it is smaller than the sum of its proper divisors (31868170).

30145430 is a wasteful number, since it uses less digits than its factorization.

30145430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430663.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30145430 is about 5490.4854065920. The cubic root of 30145430 is about 311.2245356930.

Adding to 30145430 its reverse (3454103), we get a palindrome (33599533).

The spelling of 30145430 in words is "thirty million, one hundred forty-five thousand, four hundred thirty".