144320321032 has 8 divisors (see below), whose sum is σ = 270600601950. Its totient is φ = 72160160512.

The previous prime is 144320321021. The next prime is 144320321051. The reversal of 144320321032 is 230123023441.

It can be written as a sum of positive squares in only one way, i.e., 143751689316 + 568631716 = 379146^2 + 23846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 144320320988 and 144320321006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9020020057 + ... + 9020020072.

Almost surely, 2^144320321032 is an apocalyptic number.

It is an amenable number.

144320321032 is a deficient number, since it is larger than the sum of its proper divisors (126280280918).

144320321032 is a wasteful number, since it uses less digits than its factorization.

144320321032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18040040135 (or 18040040131 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 144320321032 its reverse (230123023441), we get a palindrome (374443344473).

The spelling of 144320321032 in words is "one hundred forty-four billion, three hundred twenty million, three hundred twenty-one thousand, thirty-two".