144733423 has 4 divisors (see below), whose sum is σ = 145128160. Its totient is φ = 144338688.

The previous prime is 144733417. The next prime is 144733447. The reversal of 144733423 is 324337441.

It is a happy number.

144733423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144733423 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 (144730423) 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, 196818 + ... + 197551.

It is an arithmetic number, because the mean of its divisors is an integer number (36282040).

Almost surely, 2^144733423 is an apocalyptic number.

144733423 is a deficient number, since it is larger than the sum of its proper divisors (394737).

144733423 is an equidigital number, since it uses as much as digits as its factorization.

144733423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394736.

The product of its digits is 24192, while the sum is 31.

The square root of 144733423 is about 12030.5204791813. The cubic root of 144733423 is about 525.0366390151.

The spelling of 144733423 in words is "one hundred forty-four million, seven hundred thirty-three thousand, four hundred twenty-three".