144845223 has 16 divisors (see below), whose sum is σ = 197256576. Its totient is φ = 94517280.

The previous prime is 144845221. The next prime is 144845231. The reversal of 144845223 is 322548441.

It is not a de Polignac number, because 144845223 - 2¹ = 144845221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144845221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30553 + ... + 34973.

It is an arithmetic number, because the mean of its divisors is an integer number (12328536).

Almost surely, 2^144845223 is an apocalyptic number.

144845223 is a deficient number, since it is larger than the sum of its proper divisors (52411353).

144845223 is a wasteful number, since it uses less digits than its factorization.

144845223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4654.

The product of its digits is 30720, while the sum is 33.

The square root of 144845223 is about 12035.1660977321. The cubic root of 144845223 is about 525.1717932119.

The spelling of 144845223 in words is "one hundred forty-four million, eight hundred forty-five thousand, two hundred twenty-three".