305312151146 has 16 divisors (see below), whose sum is σ = 463988010240. Its totient is φ = 150651337200.

The previous prime is 305312151143. The next prime is 305312151149. The reversal of 305312151146 is 641151213503.

It is an interprime number because it is at equal distance from previous prime (305312151143) and next prime (305312151149).

It is a super-2 number, since 2×305312151146² (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 7 ways as a sum of consecutive naturals, for example, 133205 + ... + 792696.

It is an arithmetic number, because the mean of its divisors is an integer number (28999250640).

Almost surely, 2^305312151146 is an apocalyptic number.

305312151146 is a deficient number, since it is larger than the sum of its proper divisors (158675859094).

305312151146 is a wasteful number, since it uses less digits than its factorization.

305312151146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928069.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 305312151146 its reverse (641151213503), we get a palindrome (946463364649).

The spelling of 305312151146 in words is "three hundred five billion, three hundred twelve million, one hundred fifty-one thousand, one hundred forty-six".