30245556 has 24 divisors (see below), whose sum is σ = 76989024. Its totient is φ = 9165280.

The previous prime is 30245543. The next prime is 30245557. The reversal of 30245556 is 65554203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30245557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114435 + ... + 114698.

It is an arithmetic number, because the mean of its divisors is an integer number (3207876).

Almost surely, 2^30245556 is an apocalyptic number.

It is an amenable number.

30245556 is an abundant number, since it is smaller than the sum of its proper divisors (46743468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30245556 is a wasteful number, since it uses less digits than its factorization.

30245556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229151 (or 229149 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 30245556 is about 5499.5959851611. The cubic root of 30245556 is about 311.5687252980.

Adding to 30245556 its reverse (65554203), we get a palindrome (95799759).

The spelling of 30245556 in words is "thirty million, two hundred forty-five thousand, five hundred fifty-six".