144111433 has 4 divisors (see below), whose sum is σ = 147626388. Its totient is φ = 140596480.

The previous prime is 144111427. The next prime is 144111437. The reversal of 144111433 is 334111441.

It is a happy number.

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 2334784 + 141776649 = 1528^2 + 11907^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144111433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144111437) 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, 1757416 + ... + 1757497.

It is an arithmetic number, because the mean of its divisors is an integer number (36906597).

Almost surely, 2^144111433 is an apocalyptic number.

It is an amenable number.

144111433 is a deficient number, since it is larger than the sum of its proper divisors (3514955).

144111433 is an equidigital number, since it uses as much as digits as its factorization.

144111433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3514954.

The product of its digits is 576, while the sum is 22.

The square root of 144111433 is about 12004.6421437709. The cubic root of 144111433 is about 524.2834463317.

Adding to 144111433 its reverse (334111441), we get a palindrome (478222874).

The spelling of 144111433 in words is "one hundred forty-four million, one hundred eleven thousand, four hundred thirty-three".