30104145 has 24 divisors (see below), whose sum is σ = 52318656. Its totient is φ = 16013088.

The previous prime is 30104143. The next prime is 30104149. The reversal of 30104145 is 54140103.

It is a happy number.

It is not a de Polignac number, because 30104145 - 2¹ = 30104143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30104141) 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 23 ways as a sum of consecutive naturals, for example, 24004 + ... + 25226.

It is an arithmetic number, because the mean of its divisors is an integer number (2179944).

Almost surely, 2^30104145 is an apocalyptic number.

It is an amenable number.

30104145 is a deficient number, since it is larger than the sum of its proper divisors (22214511).

30104145 is a wasteful number, since it uses less digits than its factorization.

30104145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781 (or 1778 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 30104145 is about 5486.7244326647. The cubic root of 30104145 is about 311.0823939149.

Adding to 30104145 its reverse (54140103), we get a palindrome (84244248).

The spelling of 30104145 in words is "thirty million, one hundred four thousand, one hundred forty-five".