144143420 has 12 divisors (see below), whose sum is σ = 302701224. Its totient is φ = 57657360.

The previous prime is 144143399. The next prime is 144143423. The reversal of 144143420 is 24341441.

It is a happy number.

144143420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144143423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3603566 + ... + 3603605.

It is an arithmetic number, because the mean of its divisors is an integer number (25225102).

Almost surely, 2^144143420 is an apocalyptic number.

144143420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144143420 is an abundant number, since it is smaller than the sum of its proper divisors (158557804).

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

144143420 is a wasteful number, since it uses less digits than its factorization.

144143420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207180 (or 7207178 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 144143420 is about 12005.9743461328. The cubic root of 144143420 is about 524.3222334786.

Adding to 144143420 its reverse (24341441), we get a palindrome (168484861).

The spelling of 144143420 in words is "one hundred forty-four million, one hundred forty-three thousand, four hundred twenty".