144312401 has 4 divisors (see below), whose sum is σ = 144721572. Its totient is φ = 143903232.

The previous prime is 144312379. The next prime is 144312431. The reversal of 144312401 is 104213441.

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 65529025 + 78783376 = 8095^2 + 8876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144312401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144312431) 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, 204056 + ... + 204761.

It is an arithmetic number, because the mean of its divisors is an integer number (36180393).

Almost surely, 2^144312401 is an apocalyptic number.

It is an amenable number.

144312401 is a deficient number, since it is larger than the sum of its proper divisors (409171).

144312401 is an equidigital number, since it uses as much as digits as its factorization.

144312401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409170.

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

The square root of 144312401 is about 12013.0096562019. The cubic root of 144312401 is about 524.5270431406.

Adding to 144312401 its reverse (104213441), we get a palindrome (248525842).

The spelling of 144312401 in words is "one hundred forty-four million, three hundred twelve thousand, four hundred one".