144045401 has 4 divisors (see below), whose sum is σ = 144088704. Its totient is φ = 144002100.

The previous prime is 144045379. The next prime is 144045413. The reversal of 144045401 is 104540441.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 104540441 = 359 ⋅291199.

It is a cyclic number.

It is not a de Polignac number, because 144045401 - 2²⁶ = 76936537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144045431) 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, 16205 + ... + 23466.

It is an arithmetic number, because the mean of its divisors is an integer number (36022176).

Almost surely, 2^144045401 is an apocalyptic number.

It is an amenable number.

144045401 is a deficient number, since it is larger than the sum of its proper divisors (43303).

144045401 is an equidigital number, since it uses as much as digits as its factorization.

144045401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43302.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 144045401 is about 12001.8915592502. The cubic root of 144045401 is about 524.2033583684.

Adding to 144045401 its reverse (104540441), we get a palindrome (248585842).

The spelling of 144045401 in words is "one hundred forty-four million, forty-five thousand, four hundred one".