144542144434 has 16 divisors (see below), whose sum is σ = 228263875200. Its totient is φ = 68455500624.

The previous prime is 144542144423. The next prime is 144542144459. The reversal of 144542144434 is 434441245441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103837 + ... + 547600.

It is an arithmetic number, because the mean of its divisors is an integer number (14266492200).

Almost surely, 2^144542144434 is an apocalyptic number.

144542144434 is a deficient number, since it is larger than the sum of its proper divisors (83721730766).

144542144434 is a wasteful number, since it uses less digits than its factorization.

144542144434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657297.

The product of its digits is 491520, while the sum is 40.

Adding to 144542144434 its reverse (434441245441), we get a palindrome (578983389875).

The spelling of 144542144434 in words is "one hundred forty-four billion, five hundred forty-two million, one hundred forty-four thousand, four hundred thirty-four".