144212133 has 16 divisors (see below), whose sum is σ = 207306176. Its totient is φ = 88646400.

The previous prime is 144212119. The next prime is 144212141. The reversal of 144212133 is 331212441.

It is not a de Polignac number, because 144212133 - 2⁸ = 144211877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144212333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49158 + ... + 52008.

It is an arithmetic number, because the mean of its divisors is an integer number (12956636).

Almost surely, 2^144212133 is an apocalyptic number.

144212133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144212133 is a deficient number, since it is larger than the sum of its proper divisors (63094043).

144212133 is a wasteful number, since it uses less digits than its factorization.

144212133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164.

The product of its digits is 576, while the sum is 21.

The square root of 144212133 is about 12008.8356221575. The cubic root of 144212133 is about 524.4055348422.

Adding to 144212133 its reverse (331212441), we get a palindrome (475424574).

The spelling of 144212133 in words is "one hundred forty-four million, two hundred twelve thousand, one hundred thirty-three".