144155980733 has 4 divisors (see below), whose sum is σ = 144219404028. Its totient is φ = 144092557440.

The previous prime is 144155980729. The next prime is 144155980789. The reversal of 144155980733 is 337089551441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 113867103364 + 30288877369 = 337442^2 + 174037^2 .

It is a cyclic number.

It is not a de Polignac number, because 144155980733 - 2² = 144155980729 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 (144155988733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31708238 + ... + 31712783.

It is an arithmetic number, because the mean of its divisors is an integer number (36054851007).

Almost surely, 2^144155980733 is an apocalyptic number.

It is an amenable number.

144155980733 is a deficient number, since it is larger than the sum of its proper divisors (63423295).

144155980733 is an equidigital number, since it uses as much as digits as its factorization.

144155980733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63423294.

The product of its (nonzero) digits is 1814400, while the sum is 50.

The spelling of 144155980733 in words is "one hundred forty-four billion, one hundred fifty-five million, nine hundred eighty thousand, seven hundred thirty-three".