144617948129 has 4 divisors (see below), whose sum is σ = 144633390000. Its totient is φ = 144602506260.

The previous prime is 144617948099. The next prime is 144617948179. The reversal of 144617948129 is 921849716441.

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: 921849716441 = 103 ⋅8949997247.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144617948129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144617948179) 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, 7706879 + ... + 7725620.

It is an arithmetic number, because the mean of its divisors is an integer number (36158347500).

Almost surely, 2^144617948129 is an apocalyptic number.

It is an amenable number.

144617948129 is a deficient number, since it is larger than the sum of its proper divisors (15441871).

144617948129 is an equidigital number, since it uses as much as digits as its factorization.

144617948129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15441870.

The product of its digits is 3483648, while the sum is 56.

The spelling of 144617948129 in words is "one hundred forty-four billion, six hundred seventeen million, nine hundred forty-eight thousand, one hundred twenty-nine".