30205153 has 8 divisors (see below), whose sum is σ = 34087680. Its totient is φ = 26512080.

The previous prime is 30205139. The next prime is 30205157. The reversal of 30205153 is 35150203.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30205153 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30205153.

It is not an unprimeable number, because it can be changed into a prime (30205157) 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, 47025 + ... + 47662.

It is an arithmetic number, because the mean of its divisors is an integer number (4260960).

Almost surely, 2^30205153 is an apocalyptic number.

It is an amenable number.

30205153 is a deficient number, since it is larger than the sum of its proper divisors (3882527).

30205153 is a wasteful number, since it uses less digits than its factorization.

30205153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94727.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 30205153 is about 5495.9214877944. The cubic root of 30205153 is about 311.4299289222.

Adding to 30205153 its reverse (35150203), we get a palindrome (65355356).

The spelling of 30205153 in words is "thirty million, two hundred five thousand, one hundred fifty-three".