144403125 has 48 divisors (see below), whose sum is σ = 245109312. Its totient is φ = 75600000.

The previous prime is 144403121. The next prime is 144403139. The reversal of 144403125 is 521304441.

It is not a de Polignac number, because 144403125 - 2² = 144403121 is a prime.

It is a super-3 number, since 3×144403125³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144403095 and 144403104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144403121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 684270 + ... + 684480.

It is an arithmetic number, because the mean of its divisors is an integer number (5106444).

Almost surely, 2^144403125 is an apocalyptic number.

144403125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144403125 is a deficient number, since it is larger than the sum of its proper divisors (100706187).

144403125 is an frugal number, since it uses more digits than its factorization.

144403125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 144403125 is about 12016.7851358007. The cubic root of 144403125 is about 524.6369371911.

Adding to 144403125 its reverse (521304441), we get a palindrome (665707566).

The spelling of 144403125 in words is "one hundred forty-four million, four hundred three thousand, one hundred twenty-five".