30442245 has 8 divisors (see below), whose sum is σ = 48707616. Its totient is φ = 16235856.

The previous prime is 30442219. The next prime is 30442259. The reversal of 30442245 is 54224403.

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

It is not a de Polignac number, because 30442245 - 2¹⁰ = 30441221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014727 + ... + 1014756.

It is an arithmetic number, because the mean of its divisors is an integer number (6088452).

Almost surely, 2^30442245 is an apocalyptic number.

It is an amenable number.

30442245 is a deficient number, since it is larger than the sum of its proper divisors (18265371).

30442245 is a wasteful number, since it uses less digits than its factorization.

30442245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029491.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 30442245 is about 5517.4491388684. The cubic root of 30442245 is about 312.2426510604.

Adding to 30442245 its reverse (54224403), we get a palindrome (84666648).

The spelling of 30442245 in words is "thirty million, four hundred forty-two thousand, two hundred forty-five".