144442505444 has 12 divisors (see below), whose sum is σ = 254097811968. Its totient is φ = 71843130600.

The previous prime is 144442505387. The next prime is 144442505453. The reversal of 144442505444 is 444505244441.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 94529672 + ... + 94531199.

It is an arithmetic number, because the mean of its divisors is an integer number (21174817664).

Almost surely, 2^144442505444 is an apocalyptic number.

It is an amenable number.

144442505444 is a deficient number, since it is larger than the sum of its proper divisors (109655306524).

144442505444 is a wasteful number, since it uses less digits than its factorization.

144442505444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189061066 (or 189061064 counting only the distinct ones).

The product of its (nonzero) digits is 819200, while the sum is 41.

Adding to 144442505444 its reverse (444505244441), we get a palindrome (588947749885).

The spelling of 144442505444 in words is "one hundred forty-four billion, four hundred forty-two million, five hundred five thousand, four hundred forty-four".