30145124 has 6 divisors (see below), whose sum is σ = 52753974. Its totient is φ = 15072560.

The previous prime is 30145081. The next prime is 30145133. The reversal of 30145124 is 42154103.

It can be written as a sum of positive squares in only one way, i.e., 16321600 + 13823524 = 4040^2 + 3718^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30145096 and 30145105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3768137 + ... + 3768144.

It is an arithmetic number, because the mean of its divisors is an integer number (8792329).

Almost surely, 2^30145124 is an apocalyptic number.

It is an amenable number.

30145124 is a deficient number, since it is larger than the sum of its proper divisors (22608850).

30145124 is a wasteful number, since it uses less digits than its factorization.

30145124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7536285 (or 7536283 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 30145124 is about 5490.4575401327. The cubic root of 30145124 is about 311.2234826309.

Adding to 30145124 its reverse (42154103), we get a palindrome (72299227).

The spelling of 30145124 in words is "thirty million, one hundred forty-five thousand, one hundred twenty-four".