144488401 has 4 divisors (see below), whose sum is σ = 145064304. Its totient is φ = 143912500.

The previous prime is 144488359. The next prime is 144488431. The reversal of 144488401 is 104884441.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144488401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144488431) 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, 287575 + ... + 288076.

It is an arithmetic number, because the mean of its divisors is an integer number (36266076).

Almost surely, 2^144488401 is an apocalyptic number.

It is an amenable number.

144488401 is a deficient number, since it is larger than the sum of its proper divisors (575903).

144488401 is an equidigital number, since it uses as much as digits as its factorization.

144488401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575902.

The product of its (nonzero) digits is 16384, while the sum is 34.

The square root of 144488401 is about 12020.3328156919. The cubic root of 144488401 is about 524.7401901172.

The spelling of 144488401 in words is "one hundred forty-four million, four hundred eighty-eight thousand, four hundred one".