144324221434 has 16 divisors (see below), whose sum is σ = 220140217440. Its totient is φ = 70954256880.

The previous prime is 144324221357. The next prime is 144324221443. The reversal of 144324221434 is 434122423441.

It is a self number, because there is not a number n which added to its sum of digits gives 144324221434.

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, 2498304 + ... + 2555419.

It is an arithmetic number, because the mean of its divisors is an integer number (13758763590).

Almost surely, 2^144324221434 is an apocalyptic number.

144324221434 is a deficient number, since it is larger than the sum of its proper divisors (75815996006).

144324221434 is a wasteful number, since it uses less digits than its factorization.

144324221434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053965.

The product of its digits is 73728, while the sum is 34.

Adding to 144324221434 its reverse (434122423441), we get a palindrome (578446644875).

The spelling of 144324221434 in words is "one hundred forty-four billion, three hundred twenty-four million, two hundred twenty-one thousand, four hundred thirty-four".