30023245 has 16 divisors (see below), whose sum is σ = 42134400. Its totient is φ = 20107584.

The previous prime is 30023219. The next prime is 30023251. The reversal of 30023245 is 54232003.

It is not a de Polignac number, because 30023245 - 2¹⁹ = 29498957 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8470 + ... + 11479.

It is an arithmetic number, because the mean of its divisors is an integer number (2633400).

Almost surely, 2^30023245 is an apocalyptic number.

30023245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30023245 is a deficient number, since it is larger than the sum of its proper divisors (12111155).

30023245 is a wasteful number, since it uses less digits than its factorization.

30023245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20004.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30023245 is about 5479.3471326427. The cubic root of 30023245 is about 310.8034827874.

Adding to 30023245 its reverse (54232003), we get a palindrome (84255248).

The spelling of 30023245 in words is "thirty million, twenty-three thousand, two hundred forty-five".