305052512145 has 32 divisors (see below), whose sum is σ = 490815158400. Its totient is φ = 161786786304.

The previous prime is 305052512143. The next prime is 305052512153. The reversal of 305052512145 is 541215250503.

305052512145 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 305052512145 - 2¹ = 305052512143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (305052512143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1889671 + ... + 2044739.

It is an arithmetic number, because the mean of its divisors is an integer number (15337973700).

Almost surely, 2^305052512145 is an apocalyptic number.

It is an amenable number.

305052512145 is a deficient number, since it is larger than the sum of its proper divisors (185762646255).

305052512145 is a wasteful number, since it uses less digits than its factorization.

305052512145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155809.

The product of its (nonzero) digits is 30000, while the sum is 33.

Adding to 305052512145 its reverse (541215250503), we get a palindrome (846267762648).

The spelling of 305052512145 in words is "three hundred five billion, fifty-two million, five hundred twelve thousand, one hundred forty-five".