144342120 has 128 divisors (see below), whose sum is σ = 473639040. Its totient is φ = 34974720.

The previous prime is 144342119. The next prime is 144342131. The reversal of 144342120 is 21243441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103830 + ... + 105210.

It is an arithmetic number, because the mean of its divisors is an integer number (3700305).

Almost surely, 2^144342120 is an apocalyptic number.

144342120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144342120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236819520).

144342120 is an abundant number, since it is smaller than the sum of its proper divisors (329296920).

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

144342120 is a wasteful number, since it uses less digits than its factorization.

144342120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1471 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 144342120 is about 12014.2465431670. The cubic root of 144342120 is about 524.5630468593.

Adding to 144342120 its reverse (21243441), we get a palindrome (165585561).

It can be divided in two parts, 1443421 and 20, that added together give a palindrome (1443441).

The spelling of 144342120 in words is "one hundred forty-four million, three hundred forty-two thousand, one hundred twenty".