144213401 has 8 divisors (see below), whose sum is σ = 152039520. Its totient is φ = 136410912.

The previous prime is 144213367. The next prime is 144213451. The reversal of 144213401 is 104312441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144213401 - 2⁶ = 144213337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144213451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7421 + ... + 18533.

It is an arithmetic number, because the mean of its divisors is an integer number (19004940).

Almost surely, 2^144213401 is an apocalyptic number.

It is an amenable number.

144213401 is a deficient number, since it is larger than the sum of its proper divisors (7826119).

144213401 is a wasteful number, since it uses less digits than its factorization.

144213401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11815.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 144213401 is about 12008.8884165022. Note that the first 3 decimals coincide. The cubic root of 144213401 is about 524.4070718009.

Adding to 144213401 its reverse (104312441), we get a palindrome (248525842).

The spelling of 144213401 in words is "one hundred forty-four million, two hundred thirteen thousand, four hundred one".