30233145 has 8 divisors (see below), whose sum is σ = 48373056. Its totient is φ = 16124336.

The previous prime is 30233141. The next prime is 30233197. The reversal of 30233145 is 54133203.

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 30233145 - 2² = 30233141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30233141) 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, 1007757 + ... + 1007786.

It is an arithmetic number, because the mean of its divisors is an integer number (6046632).

Almost surely, 2^30233145 is an apocalyptic number.

It is an amenable number.

30233145 is a deficient number, since it is larger than the sum of its proper divisors (18139911).

30233145 is a wasteful number, since it uses less digits than its factorization.

30233145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015551.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 30233145 is about 5498.4675137715. The cubic root of 30233145 is about 311.5261029649.

Adding to 30233145 its reverse (54133203), we get a palindrome (84366348).

The spelling of 30233145 in words is "thirty million, two hundred thirty-three thousand, one hundred forty-five".