144225888091 has 4 divisors (see below), whose sum is σ = 145022716384. Its totient is φ = 143429059800.

The previous prime is 144225888089. The next prime is 144225888097. The reversal of 144225888091 is 190888522441.

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 144225888091 - 2¹ = 144225888089 is a prime.

It is a super-2 number, since 2×144225888091² (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 (144225888097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398413875 + ... + 398414236.

It is an arithmetic number, because the mean of its divisors is an integer number (36255679096).

Almost surely, 2^144225888091 is an apocalyptic number.

144225888091 is a deficient number, since it is larger than the sum of its proper divisors (796828293).

144225888091 is an equidigital number, since it uses as much as digits as its factorization.

144225888091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796828292.

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 144225888091 in words is "one hundred forty-four billion, two hundred twenty-five million, eight hundred eighty-eight thousand, ninety-one".