30335145 has 32 divisors (see below), whose sum is σ = 49904640. Its totient is φ = 15729600.

The previous prime is 30335099. The next prime is 30335147. The reversal of 30335145 is 54153303.

It is a happy number.

It is not a de Polignac number, because 30335145 - 2¹⁰ = 30334121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30335147) 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 31 ways as a sum of consecutive naturals, for example, 133522 + ... + 133748.

It is an arithmetic number, because the mean of its divisors is an integer number (1559520).

Almost surely, 2^30335145 is an apocalyptic number.

It is an amenable number.

30335145 is a deficient number, since it is larger than the sum of its proper divisors (19569495).

30335145 is a wasteful number, since it uses less digits than its factorization.

30335145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 30335145 is about 5507.7350154124. The cubic root of 30335145 is about 311.8760499588.

Adding to 30335145 its reverse (54153303), we get a palindrome (84488448).

The spelling of 30335145 in words is "thirty million, three hundred thirty-five thousand, one hundred forty-five".