30145687334 has 32 divisors (see below), whose sum is σ = 54196300800. Its totient is φ = 12295733472.

The previous prime is 30145687307. The next prime is 30145687343. The reversal of 30145687334 is 43378654103.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 171149 + ... + 299304.

It is an arithmetic number, because the mean of its divisors is an integer number (1693634400).

Almost surely, 2^30145687334 is an apocalyptic number.

30145687334 is a deficient number, since it is larger than the sum of its proper divisors (24050613466).

30145687334 is a wasteful number, since it uses less digits than its factorization.

30145687334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470684.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 30145687334 in words is "thirty billion, one hundred forty-five million, six hundred eighty-seven thousand, three hundred thirty-four".