144144533 has 4 divisors (see below), whose sum is σ = 155232588. Its totient is φ = 133056480.

The previous prime is 144144521. The next prime is 144144541. The reversal of 144144533 is 335441441.

It is a happy number.

144144533 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 can be written as a sum of positive squares in 2 ways, for example, as 9746884 + 134397649 = 3122^2 + 11593^2 .

It is a cyclic number.

It is not a de Polignac number, because 144144533 - 2²² = 139950229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144144496 and 144144505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144144433) 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, 5544008 + ... + 5544033.

It is an arithmetic number, because the mean of its divisors is an integer number (38808147).

Almost surely, 2^144144533 is an apocalyptic number.

144144533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144144533 is a deficient number, since it is larger than the sum of its proper divisors (11088055).

144144533 is a wasteful number, since it uses less digits than its factorization.

144144533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088054.

The product of its digits is 11520, while the sum is 29.

The square root of 144144533 is about 12006.0206979665. The cubic root of 144144533 is about 524.3235829890.

Adding to 144144533 its reverse (335441441), we get a palindrome (479585974).

The spelling of 144144533 in words is "one hundred forty-four million, one hundred forty-four thousand, five hundred thirty-three".