144553484969 has 4 divisors (see below), whose sum is σ = 144813007044. Its totient is φ = 144293962896.

The previous prime is 144553484939. The next prime is 144553484981. The reversal of 144553484969 is 969484355441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48416281369 + 96137203600 = 220037^2 + 310060^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144553484969 is a prime.

It is a super-2 number, since 2×144553484969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144553484939) 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, 129760202 + ... + 129761315.

It is an arithmetic number, because the mean of its divisors is an integer number (36203251761).

Almost surely, 2^144553484969 is an apocalyptic number.

It is an amenable number.

144553484969 is a deficient number, since it is larger than the sum of its proper divisors (259522075).

144553484969 is an equidigital number, since it uses as much as digits as its factorization.

144553484969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259522074.

The product of its digits is 74649600, while the sum is 62.

The spelling of 144553484969 in words is "one hundred forty-four billion, five hundred fifty-three million, four hundred eighty-four thousand, nine hundred sixty-nine".