30026445 has 24 divisors (see below), whose sum is σ = 49665888. Its totient is φ = 15490080.

The previous prime is 30026443. The next prime is 30026449. The reversal of 30026445 is 54462003.

It is not a de Polignac number, because 30026445 - 2¹ = 30026443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30026443) 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 23 ways as a sum of consecutive naturals, for example, 13374 + ... + 15456.

It is an arithmetic number, because the mean of its divisors is an integer number (2069412).

Almost surely, 2^30026445 is an apocalyptic number.

It is an amenable number.

30026445 is a deficient number, since it is larger than the sum of its proper divisors (19639443).

30026445 is a wasteful number, since it uses less digits than its factorization.

30026445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2122 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 30026445 is about 5479.6391304538. The cubic root of 30026445 is about 310.8145246298.

Adding to 30026445 its reverse (54462003), we get a palindrome (84488448).

The spelling of 30026445 in words is "thirty million, twenty-six thousand, four hundred forty-five".