144366043305261 has 4 divisors (see below), whose sum is σ = 192488057740352. Its totient is φ = 96244028870172.

The previous prime is 144366043305233. The next prime is 144366043305271. The reversal of 144366043305261 is 162503340663441.

144366043305261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 144366043305261 - 2¹¹ = 144366043303213 is a prime.

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 144366043305261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144366043305271) 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, 24061007217541 + ... + 24061007217546.

It is an arithmetic number, because the mean of its divisors is an integer number (48122014435088).

Almost surely, 2^{144366043305261} is an apocalyptic number.

It is an amenable number.

144366043305261 is a deficient number, since it is larger than the sum of its proper divisors (48122014435091).

144366043305261 is an equidigital number, since it uses as much as digits as its factorization.

144366043305261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48122014435090.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 144366043305261 in words is "one hundred forty-four trillion, three hundred sixty-six billion, forty-three million, three hundred five thousand, two hundred sixty-one".