30154130 has 16 divisors (see below), whose sum is σ = 55168344. Its totient is φ = 11863680.

The previous prime is 30154129. The next prime is 30154139. The reversal of 30154130 is 3145103.

It can be written as a sum of positive squares in 4 ways, for example, as 18258529 + 11895601 = 4273^2 + 3449^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30154099 and 30154108.

It is not an unprimeable number, because it can be changed into a prime (30154139) 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, 24107 + ... + 25326.

Almost surely, 2^30154130 is an apocalyptic number.

30154130 is a deficient number, since it is larger than the sum of its proper divisors (25014214).

30154130 is a wasteful number, since it uses less digits than its factorization.

30154130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49501.

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

The square root of 30154130 is about 5491.2776291133. The cubic root of 30154130 is about 311.2544727130.

Adding to 30154130 its reverse (3145103), we get a palindrome (33299233).

The spelling of 30154130 in words is "thirty million, one hundred fifty-four thousand, one hundred thirty".