30245555 has 8 divisors (see below), whose sum is σ = 37138992. Its totient is φ = 23633568.

The previous prime is 30245543. The next prime is 30245557. The reversal of 30245555 is 55554203.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 30245555 - 2¹² = 30241459 is a prime.

It is a Duffinian number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70124 + ... + 70553.

It is an arithmetic number, because the mean of its divisors is an integer number (4642374).

Almost surely, 2^30245555 is an apocalyptic number.

30245555 is a deficient number, since it is larger than the sum of its proper divisors (6893437).

30245555 is a wasteful number, since it uses less digits than its factorization.

30245555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140725.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 30245555 is about 5499.5958942453. The cubic root of 30245555 is about 311.5687218642.

Adding to 30245555 its reverse (55554203), we get a palindrome (85799758).

The spelling of 30245555 in words is "thirty million, two hundred forty-five thousand, five hundred fifty-five".