305135204542 has 32 divisors (see below), whose sum is σ = 541049693184. Its totient is φ = 126343972800.

The previous prime is 305135204531. The next prime is 305135204567. The reversal of 305135204542 is 245402531503.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 305135204498 and 305135204507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2521434 + ... + 2639677.

It is an arithmetic number, because the mean of its divisors is an integer number (16907802912).

Almost surely, 2^305135204542 is an apocalyptic number.

305135204542 is a deficient number, since it is larger than the sum of its proper divisors (235914488642).

305135204542 is a wasteful number, since it uses less digits than its factorization.

305135204542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161264.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 305135204542 in words is "three hundred five billion, one hundred thirty-five million, two hundred four thousand, five hundred forty-two".