144440305133 has 8 divisors (see below), whose sum is σ = 150016315680. Its totient is φ = 138903982000.

The previous prime is 144440305123. The next prime is 144440305151. The reversal of 144440305133 is 331503044441.

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 144440305133 - 2⁴ = 144440305117 is a prime.

It is a super-2 number, since 2×144440305133² (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 144440305133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440305123) 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, 9914435 + ... + 9928992.

It is an arithmetic number, because the mean of its divisors is an integer number (18752039460).

Almost surely, 2^144440305133 is an apocalyptic number.

It is an amenable number.

144440305133 is a deficient number, since it is larger than the sum of its proper divisors (5576010547).

144440305133 is a wasteful number, since it uses less digits than its factorization.

144440305133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19843707.

The product of its (nonzero) digits is 34560, while the sum is 32.

Adding to 144440305133 its reverse (331503044441), we get a palindrome (475943349574).

The spelling of 144440305133 in words is "one hundred forty-four billion, four hundred forty million, three hundred five thousand, one hundred thirty-three".