144331133 has 8 divisors (see below), whose sum is σ = 149139456. Its totient is φ = 139532400.

The previous prime is 144331129. The next prime is 144331157. The reversal of 144331133 is 331133441.

144331133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 144331133 - 2² = 144331129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144331099 and 144331108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144331433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40868 + ... + 44258.

It is an arithmetic number, because the mean of its divisors is an integer number (18642432).

Almost surely, 2^144331133 is an apocalyptic number.

It is an amenable number.

144331133 is a deficient number, since it is larger than the sum of its proper divisors (4808323).

144331133 is a wasteful number, since it uses less digits than its factorization.

144331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4795.

The product of its digits is 1296, while the sum is 23.

The square root of 144331133 is about 12013.7892856501. The cubic root of 144331133 is about 524.5497369988.

Adding to 144331133 its reverse (331133441), we get a palindrome (475464574).

The spelling of 144331133 in words is "one hundred forty-four million, three hundred thirty-one thousand, one hundred thirty-three".