30199245 has 32 divisors (see below), whose sum is σ = 49612800. Its totient is φ = 15681600.

The previous prime is 30199223. The next prime is 30199271. The reversal of 30199245 is 54299103.

It is not a de Polignac number, because 30199245 - 2⁶ = 30199181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151656 + ... + 151854.

It is an arithmetic number, because the mean of its divisors is an integer number (1550400).

Almost surely, 2^30199245 is an apocalyptic number.

It is an amenable number.

30199245 is a deficient number, since it is larger than the sum of its proper divisors (19413555).

30199245 is a wasteful number, since it uses less digits than its factorization.

30199245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 30199245 is about 5495.3839720260. The cubic root of 30199245 is about 311.4096228065.

The spelling of 30199245 in words is "thirty million, one hundred ninety-nine thousand, two hundred forty-five".