144121320 has 96 divisors (see below), whose sum is σ = 535317120. Its totient is φ = 32941440.

The previous prime is 144121309. The next prime is 144121321. The reversal of 144121320 is 23121441.

144121320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 144121293 and 144121302.

It is not an unprimeable number, because it can be changed into a prime (144121321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26076 + ... + 31115.

It is an arithmetic number, because the mean of its divisors is an integer number (5576220).

Almost surely, 2^144121320 is an apocalyptic number.

144121320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144121320 is an abundant number, since it is smaller than the sum of its proper divisors (391195800).

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

144121320 is a wasteful number, since it uses less digits than its factorization.

144121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57215 (or 57208 counting only the distinct ones).

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

The square root of 144121320 is about 12005.0539357389. The cubic root of 144121320 is about 524.2954358312.

Adding to 144121320 its reverse (23121441), we get a palindrome (167242761).

It can be divided in two parts, 144121 and 320, that added together give a palindrome (144441).

The spelling of 144121320 in words is "one hundred forty-four million, one hundred twenty-one thousand, three hundred twenty".