144144535 has 8 divisors (see below), whose sum is σ = 176654016. Its totient is φ = 112861920.

The previous prime is 144144521. The next prime is 144144541. The reversal of 144144535 is 535441441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144144535 - 2¹⁹ = 143620247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144144497 and 144144506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306456 + ... + 306925.

It is an arithmetic number, because the mean of its divisors is an integer number (22081752).

Almost surely, 2^144144535 is an apocalyptic number.

144144535 is a deficient number, since it is larger than the sum of its proper divisors (32509481).

144144535 is an equidigital number, since it uses as much as digits as its factorization.

144144535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613433.

The product of its digits is 19200, while the sum is 31.

The square root of 144144535 is about 12006.0207812580. The cubic root of 144144535 is about 524.3235854140.

Adding to 144144535 its reverse (535441441), we get a palindrome (679585976).

The spelling of 144144535 in words is "one hundred forty-four million, one hundred forty-four thousand, five hundred thirty-five".