305312151145 has 16 divisors (see below), whose sum is σ = 367201416960. Its totient is φ = 243698704704.

The previous prime is 305312151143. The next prime is 305312151149. The reversal of 305312151145 is 541151213503.

It is a cyclic number.

It is not a de Polignac number, because 305312151145 - 2¹ = 305312151143 is a prime.

It is a super-2 number, since 2×305312151145² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (305312151143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16253979 + ... + 16272751.

It is an arithmetic number, because the mean of its divisors is an integer number (22950088560).

Almost surely, 2^305312151145 is an apocalyptic number.

It is an amenable number.

305312151145 is a deficient number, since it is larger than the sum of its proper divisors (61889265815).

305312151145 is a wasteful number, since it uses less digits than its factorization.

305312151145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25944.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 305312151145 its reverse (541151213503), we get a palindrome (846463364648).

The spelling of 305312151145 in words is "three hundred five billion, three hundred twelve million, one hundred fifty-one thousand, one hundred forty-five".