305305005115442 has 48 divisors (see below), whose sum is σ = 467985155783040. Its totient is φ = 149375659226112.

The previous prime is 305305005115433. The next prime is 305305005115489. The reversal of 305305005115442 is 244511500503503.

It is a super-2 number, since 2×305305005115442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 305305005115396 and 305305005115405.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2313394034 + ... + 2313526002.

It is an arithmetic number, because the mean of its divisors is an integer number (9749690745480).

Almost surely, 2^{305305005115442} is an apocalyptic number.

305305005115442 is a deficient number, since it is larger than the sum of its proper divisors (162680150667598).

305305005115442 is a wasteful number, since it uses less digits than its factorization.

305305005115442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133815 (or 133748 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 305305005115442 its reverse (244511500503503), we get a palindrome (549816505618945).

The spelling of 305305005115442 in words is "three hundred five trillion, three hundred five billion, five million, one hundred fifteen thousand, four hundred forty-two".