144217156207 has 4 divisors (see below), whose sum is σ = 146938234680. Its totient is φ = 141496077736.

The previous prime is 144217156183. The next prime is 144217156249. The reversal of 144217156207 is 702651712441.

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

It is a cyclic number.

It is not a de Polignac number, because 144217156207 - 2⁷ = 144217156079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144217156207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144217256207) 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, 1360539157 + ... + 1360539262.

It is an arithmetic number, because the mean of its divisors is an integer number (36734558670).

Almost surely, 2^144217156207 is an apocalyptic number.

144217156207 is a deficient number, since it is larger than the sum of its proper divisors (2721078473).

144217156207 is an equidigital number, since it uses as much as digits as its factorization.

144217156207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721078472.

The product of its (nonzero) digits is 94080, while the sum is 40.

Adding to 144217156207 its reverse (702651712441), we get a palindrome (846868868648).

The spelling of 144217156207 in words is "one hundred forty-four billion, two hundred seventeen million, one hundred fifty-six thousand, two hundred seven".