144504948961 has 4 divisors (see below), whose sum is σ = 146661739312. Its totient is φ = 142348158612.

The previous prime is 144504948953. The next prime is 144504948971. The reversal of 144504948961 is 169849405441.

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, and also an emirpimes, since its reverse is a distinct semiprime: 169849405441 = 9209 ⋅18443849.

It is a cyclic number.

It is not a de Polignac number, because 144504948961 - 2³ = 144504948953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144504948971) 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, 1078395075 + ... + 1078395208.

It is an arithmetic number, because the mean of its divisors is an integer number (36665434828).

Almost surely, 2^144504948961 is an apocalyptic number.

It is an amenable number.

144504948961 is a deficient number, since it is larger than the sum of its proper divisors (2156790351).

144504948961 is an equidigital number, since it uses as much as digits as its factorization.

144504948961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2156790350.

The product of its (nonzero) digits is 4976640, while the sum is 55.

The spelling of 144504948961 in words is "one hundred forty-four billion, five hundred four million, nine hundred forty-eight thousand, nine hundred sixty-one".