30130745 has 8 divisors (see below), whose sum is σ = 36998016. Its totient is φ = 23543856.

The previous prime is 30130741. The next prime is 30130757. The reversal of 30130745 is 54703103.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30130745 - 2² = 30130741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30130745.

It is not an unprimeable number, because it can be changed into a prime (30130741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69857 + ... + 70286.

It is an arithmetic number, because the mean of its divisors is an integer number (4624752).

Almost surely, 2^30130745 is an apocalyptic number.

It is an amenable number.

30130745 is a deficient number, since it is larger than the sum of its proper divisors (6867271).

30130745 is a wasteful number, since it uses less digits than its factorization.

30130745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140191.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 30130745 is about 5489.1479302347. The cubic root of 30130745 is about 311.1739909987.

Adding to 30130745 its reverse (54703103), we get a palindrome (84833848).

The spelling of 30130745 in words is "thirty million, one hundred thirty thousand, seven hundred forty-five".