144352666253441 has 4 divisors (see below), whose sum is σ = 145781900572884. Its totient is φ = 142923431934000.

The previous prime is 144352666253359. The next prime is 144352666253473.

144352666253441 is nontrivially palindromic in base 10.

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 139982120611216 + 4370545642225 = 11831404^2 + 2090585^2 .

It is a cyclic number.

It is not a de Polignac number, because 144352666253441 - 2³⁰ = 144351592511617 is a prime.

It is a super-2 number, since 2×144352666253441² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144352666253491) 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, 714617159570 + ... + 714617159771.

It is an arithmetic number, because the mean of its divisors is an integer number (36445475143221).

Almost surely, 2^{144352666253441} is an apocalyptic number.

It is an amenable number.

144352666253441 is a deficient number, since it is larger than the sum of its proper divisors (1429234319443).

144352666253441 is a wasteful number, since it uses less digits than its factorization.

144352666253441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429234319442.

The product of its digits is 49766400, while the sum is 56.

The spelling of 144352666253441 in words is "one hundred forty-four trillion, three hundred fifty-two billion, six hundred sixty-six million, two hundred fifty-three thousand, four hundred forty-one".