144321101 has 4 divisors (see below), whose sum is σ = 144350172. Its totient is φ = 144292032.

The previous prime is 144321049. The next prime is 144321137. The reversal of 144321101 is 101123441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 57365476 + 86955625 = 7574^2 + 9325^2 .

It is a cyclic number.

It is not a de Polignac number, because 144321101 - 2²² = 140126797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144321101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144321301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5006 + ... + 17711.

It is an arithmetic number, because the mean of its divisors is an integer number (36087543).

Almost surely, 2^144321101 is an apocalyptic number.

It is an amenable number.

144321101 is a deficient number, since it is larger than the sum of its proper divisors (29071).

144321101 is an equidigital number, since it uses as much as digits as its factorization.

144321101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29070.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 144321101 is about 12013.3717581701. The cubic root of 144321101 is about 524.5375834535.

Adding to 144321101 its reverse (101123441), we get a palindrome (245444542).

The spelling of 144321101 in words is "one hundred forty-four million, three hundred twenty-one thousand, one hundred one".