30145453512 has 32 divisors (see below), whose sum is σ = 75485421600. Its totient is φ = 10032246144.

The previous prime is 30145453463. The next prime is 30145453517. The reversal of 30145453512 is 21535454103.

It is not an unprimeable number, because it can be changed into a prime (30145453517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999733 + ... + 1029444.

It is an arithmetic number, because the mean of its divisors is an integer number (2358919425).

Almost surely, 2^30145453512 is an apocalyptic number.

It is an amenable number.

30145453512 is an abundant number, since it is smaller than the sum of its proper divisors (45339968088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30145453512 is a wasteful number, since it uses less digits than its factorization.

30145453512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2029805 (or 2029801 counting only the distinct ones).

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

The spelling of 30145453512 in words is "thirty billion, one hundred forty-five million, four hundred fifty-three thousand, five hundred twelve".