144885923 has 16 divisors (see below), whose sum is σ = 182675136. Its totient is φ = 111836160.

The previous prime is 144885907. The next prime is 144885991. The reversal of 144885923 is 329588441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144885923 - 2⁴ = 144885907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144885023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15686 + ... + 23147.

It is an arithmetic number, because the mean of its divisors is an integer number (11417196).

Almost surely, 2^144885923 is an apocalyptic number.

144885923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

144885923 is a deficient number, since it is larger than the sum of its proper divisors (37789213).

144885923 is a wasteful number, since it uses less digits than its factorization.

144885923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38894.

The product of its digits is 276480, while the sum is 44.

The square root of 144885923 is about 12036.8568571700. The cubic root of 144885923 is about 525.2209778746.

The spelling of 144885923 in words is "one hundred forty-four million, eight hundred eighty-five thousand, nine hundred twenty-three".