30145130 has 8 divisors (see below), whose sum is σ = 54261252. Its totient is φ = 12058048.

The previous prime is 30145081. The next prime is 30145133. The reversal of 30145130 is 3154103.

It can be written as a sum of positive squares in 2 ways, for example, as 29300569 + 844561 = 5413^2 + 919^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30145099 and 30145108.

It is not an unprimeable number, because it can be changed into a prime (30145133) 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, 1507247 + ... + 1507266.

Almost surely, 2^30145130 is an apocalyptic number.

30145130 is a deficient number, since it is larger than the sum of its proper divisors (24116122).

30145130 is a wasteful number, since it uses less digits than its factorization.

30145130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3014520.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 30145130 is about 5490.4580865352. The cubic root of 30145130 is about 311.2235032793.

Adding to 30145130 its reverse (3154103), we get a palindrome (33299233).

The spelling of 30145130 in words is "thirty million, one hundred forty-five thousand, one hundred thirty".