144533723 has 4 divisors (see below), whose sum is σ = 144558840. Its totient is φ = 144508608.

The previous prime is 144533717. The next prime is 144533737. The reversal of 144533723 is 327335441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 327335441 = 29 ⋅11287429.

It is a cyclic number.

It is not a de Polignac number, because 144533723 - 2¹⁰ = 144532699 is a prime.

It is a super-3 number, since 3×144533723³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144533723.

It is not an unprimeable number, because it can be changed into a prime (144533743) 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, 836 + ... + 17022.

It is an arithmetic number, because the mean of its divisors is an integer number (36139710).

Almost surely, 2^144533723 is an apocalyptic number.

144533723 is a deficient number, since it is larger than the sum of its proper divisors (25117).

144533723 is an equidigital number, since it uses as much as digits as its factorization.

144533723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25116.

The product of its digits is 30240, while the sum is 32.

The square root of 144533723 is about 12022.2178902231. The cubic root of 144533723 is about 524.7950498581.

The spelling of 144533723 in words is "one hundred forty-four million, five hundred thirty-three thousand, seven hundred twenty-three".