144997476289 has 4 divisors (see below), whose sum is σ = 148082529024. Its totient is φ = 141912423556.

The previous prime is 144997476263. The next prime is 144997476311. The reversal of 144997476289 is 982674799441.

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 not a de Polignac number, because 144997476289 - 2⁵ = 144997476257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144997476089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1542526297 + ... + 1542526390.

It is an arithmetic number, because the mean of its divisors is an integer number (37020632256).

Almost surely, 2^144997476289 is an apocalyptic number.

It is an amenable number.

144997476289 is a deficient number, since it is larger than the sum of its proper divisors (3085052735).

144997476289 is an equidigital number, since it uses as much as digits as its factorization.

144997476289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3085052734.

The product of its digits is 219469824, while the sum is 70.

The spelling of 144997476289 in words is "one hundred forty-four billion, nine hundred ninety-seven million, four hundred seventy-six thousand, two hundred eighty-nine".