144061223 has 4 divisors (see below), whose sum is σ = 147411528. Its totient is φ = 140710920.

The previous prime is 144061219. The next prime is 144061231. The reversal of 144061223 is 322160441.

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 144061223 - 2² = 144061219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144061243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675088 + ... + 1675173.

It is an arithmetic number, because the mean of its divisors is an integer number (36852882).

Almost surely, 2^144061223 is an apocalyptic number.

144061223 is a deficient number, since it is larger than the sum of its proper divisors (3350305).

144061223 is an equidigital number, since it uses as much as digits as its factorization.

144061223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350304.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 144061223 is about 12002.5506872498. The cubic root of 144061223 is about 524.2225505625. Note that the first 3 decimals are identical.

The spelling of 144061223 in words is "one hundred forty-four million, sixty-one thousand, two hundred twenty-three".