144277140961 has 4 divisors (see below), whose sum is σ = 144417081024. Its totient is φ = 144137200900.

The previous prime is 144277140911. The next prime is 144277141027. The reversal of 144277140961 is 169041772441.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144277140961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144277140911) 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, 69968485 + ... + 69970546.

It is an arithmetic number, because the mean of its divisors is an integer number (36104270256).

Almost surely, 2^144277140961 is an apocalyptic number.

It is an amenable number.

144277140961 is a deficient number, since it is larger than the sum of its proper divisors (139940063).

144277140961 is a wasteful number, since it uses less digits than its factorization.

144277140961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139940062.

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 144277140961 in words is "one hundred forty-four billion, two hundred seventy-seven million, one hundred forty thousand, nine hundred sixty-one".