144311022 has 24 divisors (see below), whose sum is σ = 315773640. Its totient is φ = 47626800.

The previous prime is 144311017. The next prime is 144311059. The reversal of 144311022 is 220113441.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 144310986 and 144311004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37872 + ... + 41507.

It is an arithmetic number, because the mean of its divisors is an integer number (13157235).

Almost surely, 2^144311022 is an apocalyptic number.

144311022 is an abundant number, since it is smaller than the sum of its proper divisors (171462618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144311022 is a wasteful number, since it uses less digits than its factorization.

144311022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79488 (or 79485 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 144311022 is about 12012.9522599568. The cubic root of 144311022 is about 524.5253724016.

Adding to 144311022 its reverse (220113441), we get a palindrome (364424463).

The spelling of 144311022 in words is "one hundred forty-four million, three hundred eleven thousand, twenty-two".