305422445642 has 4 divisors (see below), whose sum is σ = 458133668466. Its totient is φ = 152711222820.

The previous prime is 305422445633. The next prime is 305422445707. The reversal of 305422445642 is 246544224503.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 281853748201 + 23568697441 = 530899^2 + 153521^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 305422445642.

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 as a sum of consecutive naturals, namely, 76355611409 + ... + 76355611412.

Almost surely, 2^305422445642 is an apocalyptic number.

305422445642 is a deficient number, since it is larger than the sum of its proper divisors (152711222824).

305422445642 is a wasteful number, since it uses less digits than its factorization.

305422445642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152711222823.

The product of its (nonzero) digits is 921600, while the sum is 41.

The spelling of 305422445642 in words is "three hundred five billion, four hundred twenty-two million, four hundred forty-five thousand, six hundred forty-two".