144542133 has 12 divisors (see below), whose sum is σ = 209722240. Its totient is φ = 95927976.

The previous prime is 144542131. The next prime is 144542137. The reversal of 144542133 is 331245441.

It is a happy number.

144542133 is a `hidden beast` number, since 1 + 445 + 4 + 213 + 3 = 666.

144542133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144542133 - 2¹ = 144542131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144542097 and 144542106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144542131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34003 + ... + 38016.

Almost surely, 2^144542133 is an apocalyptic number.

It is an amenable number.

144542133 is a deficient number, since it is larger than the sum of its proper divisors (65180107).

144542133 is a wasteful number, since it uses less digits than its factorization.

144542133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72248 (or 72245 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 144542133 is about 12022.5676542076. The cubic root of 144542133 is about 524.8052284302.

Adding to 144542133 its reverse (331245441), we get a palindrome (475787574).

The spelling of 144542133 in words is "one hundred forty-four million, five hundred forty-two thousand, one hundred thirty-three".