30645194 has 8 divisors (see below), whose sum is σ = 46147428. Its totient is φ = 15262720.

The previous prime is 30645187. The next prime is 30645211. The reversal of 30645194 is 49154603.

It can be written as a sum of positive squares in 2 ways, for example, as 23164969 + 7480225 = 4813^2 + 2735^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 30645194.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29297 + ... + 30324.

Almost surely, 2^30645194 is an apocalyptic number.

30645194 is a deficient number, since it is larger than the sum of its proper divisors (15502234).

30645194 is a wasteful number, since it uses less digits than its factorization.

30645194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59880.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 30645194 is about 5535.8101484787. The cubic root of 30645194 is about 312.9349897476.

Adding to 30645194 its reverse (49154603), we get a palindrome (79799797).

The spelling of 30645194 in words is "thirty million, six hundred forty-five thousand, one hundred ninety-four".