30145030 has 16 divisors (see below), whose sum is σ = 54440064. Its totient is φ = 12018240.

The previous prime is 30145009. The next prime is 30145033. The reversal of 30145030 is 3054103.

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

It is a junction number, because it is equal to n+sod(n) for n = 30144995 and 30145013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30145033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1686 + ... + 7945.

It is an arithmetic number, because the mean of its divisors is an integer number (3402504).

Almost surely, 2^30145030 is an apocalyptic number.

30145030 is a deficient number, since it is larger than the sum of its proper divisors (24295034).

30145030 is a wasteful number, since it uses less digits than its factorization.

30145030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9951.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30145030 is about 5490.4489798194. The cubic root of 30145030 is about 311.2231591398.

Adding to 30145030 its reverse (3054103), we get a palindrome (33199133).

The spelling of 30145030 in words is "thirty million, one hundred forty-five thousand, thirty".