144404297 has 4 divisors (see below), whose sum is σ = 144629520. Its totient is φ = 144179076.

The previous prime is 144404251. The next prime is 144404317. The reversal of 144404297 is 792404441.

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 not a de Polignac number, because 144404297 - 2⁶ = 144404233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144401297) 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, 111647 + ... + 112932.

It is an arithmetic number, because the mean of its divisors is an integer number (36157380).

Almost surely, 2^144404297 is an apocalyptic number.

It is an amenable number.

144404297 is a deficient number, since it is larger than the sum of its proper divisors (225223).

144404297 is an equidigital number, since it uses as much as digits as its factorization.

144404297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225222.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 144404297 is about 12016.8339008243. The cubic root of 144404297 is about 524.6383565344.

The spelling of 144404297 in words is "one hundred forty-four million, four hundred four thousand, two hundred ninety-seven".