20150030445 has 8 divisors (see below), whose sum is σ = 32240048736. Its totient is φ = 10746682896.

The previous prime is 20150030413. The next prime is 20150030477. The reversal of 20150030445 is 54403005102.

It is an interprime number because it is at equal distance from previous prime (20150030413) and next prime (20150030477).

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

It is not a de Polignac number, because 20150030445 - 2⁵ = 20150030413 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 7 ways as a sum of consecutive naturals, for example, 671667667 + ... + 671667696.

It is an arithmetic number, because the mean of its divisors is an integer number (4030006092).

Almost surely, 2^20150030445 is an apocalyptic number.

It is an amenable number.

20150030445 is a deficient number, since it is larger than the sum of its proper divisors (12090018291).

20150030445 is a wasteful number, since it uses less digits than its factorization.

20150030445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1343335371.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 20150030445 its reverse (54403005102), we get a palindrome (74553035547).

The spelling of 20150030445 in words is "twenty billion, one hundred fifty million, thirty thousand, four hundred forty-five".