30445215153 has 8 divisors (see below), whose sum is σ = 42981480288. Its totient is φ = 19102880064.

The previous prime is 30445215121. The next prime is 30445215173. The reversal of 30445215153 is 35151254403.

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

It is not a de Polignac number, because 30445215153 - 2⁵ = 30445215121 is a prime.

It is a super-2 number, since 2×30445215153² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30445215173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298482451 + ... + 298482552.

It is an arithmetic number, because the mean of its divisors is an integer number (5372685036).

Almost surely, 2^30445215153 is an apocalyptic number.

It is an amenable number.

30445215153 is a deficient number, since it is larger than the sum of its proper divisors (12536265135).

30445215153 is a wasteful number, since it uses less digits than its factorization.

30445215153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596965023.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 30445215153 its reverse (35151254403), we get a palindrome (65596469556).

The spelling of 30445215153 in words is "thirty billion, four hundred forty-five million, two hundred fifteen thousand, one hundred fifty-three".