144440383 has 4 divisors (see below), whose sum is σ = 144501400. Its totient is φ = 144379368.

The previous prime is 144440363. The next prime is 144440393. The reversal of 144440383 is 383044441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144440383 - 2¹³ = 144432191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440363) 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, 26808 + ... + 31741.

It is an arithmetic number, because the mean of its divisors is an integer number (36125350).

Almost surely, 2^144440383 is an apocalyptic number.

144440383 is a deficient number, since it is larger than the sum of its proper divisors (61017).

144440383 is an equidigital number, since it uses as much as digits as its factorization.

144440383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61016.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 144440383 is about 12018.3352840566. The cubic root of 144440383 is about 524.6820545021.

The spelling of 144440383 in words is "one hundred forty-four million, four hundred forty thousand, three hundred eighty-three".