30098445 has 16 divisors (see below), whose sum is σ = 51862272. Its totient is φ = 14817600.

The previous prime is 30098443. The next prime is 30098459. The reversal of 30098445 is 54489003.

It is not a de Polignac number, because 30098445 - 2¹ = 30098443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30098443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76981 + ... + 77370.

It is an arithmetic number, because the mean of its divisors is an integer number (3241392).

Almost surely, 2^30098445 is an apocalyptic number.

It is an amenable number.

30098445 is a deficient number, since it is larger than the sum of its proper divisors (21763827).

30098445 is a wasteful number, since it uses less digits than its factorization.

30098445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154372.

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 30098445 is about 5486.2049724741. The cubic root of 30098445 is about 311.0627589491.

The spelling of 30098445 in words is "thirty million, ninety-eight thousand, four hundred forty-five".