144454622023 has 4 divisors (see below), whose sum is σ = 144532245928. Its totient is φ = 144376998120.

The previous prime is 144454622009. The next prime is 144454622051. The reversal of 144454622023 is 320226454441.

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 144454622023 - 2⁵ = 144454621991 is a prime.

It is a super-2 number, since 2×144454622023² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144454622003) 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, 38809161 + ... + 38812882.

It is an arithmetic number, because the mean of its divisors is an integer number (36133061482).

Almost surely, 2^144454622023 is an apocalyptic number.

144454622023 is a deficient number, since it is larger than the sum of its proper divisors (77623905).

144454622023 is an equidigital number, since it uses as much as digits as its factorization.

144454622023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77623904.

The product of its (nonzero) digits is 184320, while the sum is 37.

The spelling of 144454622023 in words is "one hundred forty-four billion, four hundred fifty-four million, six hundred twenty-two thousand, twenty-three".