305432405145 has 48 divisors (see below), whose sum is σ = 605086260480. Its totient is φ = 139617194112.

The previous prime is 305432405123. The next prime is 305432405167. The reversal of 305432405145 is 541504234503.

305432405145 is a `hidden beast` number, since 3 + 0 + 543 + 24 + 0 + 51 + 45 = 666.

It is an interprime number because it is at equal distance from previous prime (305432405123) and next prime (305432405167).

It is not a de Polignac number, because 305432405145 - 2⁹ = 305432404633 is a prime.

It is a super-2 number, since 2×305432405145² (a number of 24 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 8562487 + ... + 8598083.

It is an arithmetic number, because the mean of its divisors is an integer number (12605963760).

Almost surely, 2^305432405145 is an apocalyptic number.

305432405145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

305432405145 is a deficient number, since it is larger than the sum of its proper divisors (299653855335).

305432405145 is a wasteful number, since it uses less digits than its factorization.

305432405145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62854 (or 62851 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 305432405145 its reverse (541504234503), we get a palindrome (846936639648).

The spelling of 305432405145 in words is "three hundred five billion, four hundred thirty-two million, four hundred five thousand, one hundred forty-five".