144423145 has 16 divisors (see below), whose sum is σ = 177059520. Its totient is φ = 113049664.

The previous prime is 144423137. The next prime is 144423163. The reversal of 144423145 is 541324441.

It is a cyclic number.

It is not a de Polignac number, because 144423145 - 2³ = 144423137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174222 + ... + 175048.

It is an arithmetic number, because the mean of its divisors is an integer number (11066220).

Almost surely, 2^144423145 is an apocalyptic number.

It is an amenable number.

144423145 is a deficient number, since it is larger than the sum of its proper divisors (32636375).

144423145 is an equidigital number, since it uses as much as digits as its factorization.

144423145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544.

The product of its digits is 7680, while the sum is 28.

The square root of 144423145 is about 12017.6181084273. The cubic root of 144423145 is about 524.6611812327.

Adding to 144423145 its reverse (541324441), we get a palindrome (685747586).

The spelling of 144423145 in words is "one hundred forty-four million, four hundred twenty-three thousand, one hundred forty-five".