144112321533 has 8 divisors (see below), whose sum is σ = 197342999008. Its totient is φ = 93478262544.

The previous prime is 144112321531. The next prime is 144112321537. The reversal of 144112321533 is 335123211441.

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

It is not a de Polignac number, because 144112321533 - 2¹ = 144112321531 is a prime.

It is a super-2 number, since 2×144112321533² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144112321533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144112321531) 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, 649154491 + ... + 649154712.

It is an arithmetic number, because the mean of its divisors is an integer number (24667874876).

Almost surely, 2^144112321533 is an apocalyptic number.

It is an amenable number.

144112321533 is a deficient number, since it is larger than the sum of its proper divisors (53230677475).

144112321533 is a wasteful number, since it uses less digits than its factorization.

144112321533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298309243.

The product of its digits is 8640, while the sum is 30.

Adding to 144112321533 its reverse (335123211441), we get a palindrome (479235532974).

The spelling of 144112321533 in words is "one hundred forty-four billion, one hundred twelve million, three hundred twenty-one thousand, five hundred thirty-three".