144425320 has 32 divisors (see below), whose sum is σ = 349954920. Its totient is φ = 53326080.

The previous prime is 144425297. The next prime is 144425321. The reversal of 144425320 is 23524441.

It is a happy number.

144425320 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 127103076 + 17322244 = 11274^2 + 4162^2 .

It is not an unprimeable number, because it can be changed into a prime (144425321) 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, 138351 + ... + 139390.

Almost surely, 2^144425320 is an apocalyptic number.

144425320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144425320 is an abundant number, since it is smaller than the sum of its proper divisors (205529600).

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

144425320 is a wasteful number, since it uses less digits than its factorization.

144425320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277765 (or 277761 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 144425320 is about 12017.7086002282. The cubic root of 144425320 is about 524.6638150034.

Adding to 144425320 its reverse (23524441), we get a palindrome (167949761).

The spelling of 144425320 in words is "one hundred forty-four million, four hundred twenty-five thousand, three hundred twenty".