144311422 has 16 divisors (see below), whose sum is σ = 229957200. Its totient is φ = 67728960.

The previous prime is 144311399. The next prime is 144311423. The reversal of 144311422 is 224113441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144311393 and 144311402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144311423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13279 + ... + 21562.

It is an arithmetic number, because the mean of its divisors is an integer number (14372325).

Almost surely, 2^144311422 is an apocalyptic number.

144311422 is a deficient number, since it is larger than the sum of its proper divisors (85645778).

144311422 is a wasteful number, since it uses less digits than its factorization.

144311422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34971.

The product of its digits is 768, while the sum is 22.

The square root of 144311422 is about 12012.9689086420. The cubic root of 144311422 is about 524.5258570260.

Adding to 144311422 its reverse (224113441), we get a palindrome (368424863).

The spelling of 144311422 in words is "one hundred forty-four million, three hundred eleven thousand, four hundred twenty-two".