301442320144 has 20 divisors (see below), whose sum is σ = 667479423424. Its totient is φ = 129189565728.

The previous prime is 301442320133. The next prime is 301442320163. The reversal of 301442320144 is 441023244103.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345724532 + ... + 1345724755.

Almost surely, 2^301442320144 is an apocalyptic number.

It is an amenable number.

301442320144 is an abundant number, since it is smaller than the sum of its proper divisors (366037103280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

301442320144 is a wasteful number, since it uses less digits than its factorization.

301442320144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691449302 (or 2691449296 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 301442320144 its reverse (441023244103), we get a palindrome (742465564247).

The spelling of 301442320144 in words is "three hundred one billion, four hundred forty-two million, three hundred twenty thousand, one hundred forty-four".