305344154133 has 6 divisors (see below), whose sum is σ = 441052667094. Its totient is φ = 203562769416.

The previous prime is 305344154123. The next prime is 305344154149. The reversal of 305344154133 is 331451443503.

305344154133 is a `hidden beast` number, since 3 + 0 + 534 + 41 + 54 + 1 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 299365462449 + 5978691684 = 547143^2 + 77322^2 .

It is not a de Polignac number, because 305344154133 - 2¹² = 305344150037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305344154123) 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 5 ways as a sum of consecutive naturals, for example, 16963564110 + ... + 16963564127.

It is an arithmetic number, because the mean of its divisors is an integer number (73508777849).

Almost surely, 2^305344154133 is an apocalyptic number.

It is an amenable number.

305344154133 is a deficient number, since it is larger than the sum of its proper divisors (135708512961).

305344154133 is a wasteful number, since it uses less digits than its factorization.

305344154133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33927128243 (or 33927128240 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 305344154133 its reverse (331451443503), we get a palindrome (636795597636).

The spelling of 305344154133 in words is "three hundred five billion, three hundred forty-four million, one hundred fifty-four thousand, one hundred thirty-three".