144875772209 has 4 divisors (see below), whose sum is σ = 165572311104. Its totient is φ = 124179233316.

The previous prime is 144875772193. The next prime is 144875772229. The reversal of 144875772209 is 902277578441.

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 144875772209 - 2⁴ = 144875772193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144875772229) 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, 10348269437 + ... + 10348269450.

It is an arithmetic number, because the mean of its divisors is an integer number (41393077776).

Almost surely, 2^144875772209 is an apocalyptic number.

It is an amenable number.

144875772209 is a deficient number, since it is larger than the sum of its proper divisors (20696538895).

144875772209 is an equidigital number, since it uses as much as digits as its factorization.

144875772209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20696538894.

The product of its (nonzero) digits is 7902720, while the sum is 56.

The spelling of 144875772209 in words is "one hundred forty-four billion, eight hundred seventy-five million, seven hundred seventy-two thousand, two hundred nine".