144570634217 has 4 divisors (see below), whose sum is σ = 146940644676. Its totient is φ = 142200623760.

The previous prime is 144570634163. The next prime is 144570634223. The reversal of 144570634217 is 712436075441.

144570634217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57701324521 + 86869309696 = 240211^2 + 294736^2 .

It is a cyclic number.

It is not a de Polignac number, because 144570634217 - 2²⁴ = 144553857001 is a prime.

It is a super-2 number, since 2×144570634217² (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 (144570631217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185005138 + ... + 1185005259.

It is an arithmetic number, because the mean of its divisors is an integer number (36735161169).

Almost surely, 2^144570634217 is an apocalyptic number.

It is an amenable number.

144570634217 is a deficient number, since it is larger than the sum of its proper divisors (2370010459).

144570634217 is an equidigital number, since it uses as much as digits as its factorization.

144570634217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370010458.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 144570634217 in words is "one hundred forty-four billion, five hundred seventy million, six hundred thirty-four thousand, two hundred seventeen".