144224325 has 36 divisors (see below), whose sum is σ = 295228128. Its totient is φ = 65930400.

The previous prime is 144224321. The next prime is 144224351. The reversal of 144224325 is 523422441.

It is not a de Polignac number, because 144224325 - 2² = 144224321 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144224321) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 44211 + ... + 47360.

Almost surely, 2^144224325 is an apocalyptic number.

144224325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144224325 is an abundant number, since it is smaller than the sum of its proper divisors (151003803).

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

144224325 is a wasteful number, since it uses less digits than its factorization.

144224325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91594 (or 91586 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 144224325 is about 12009.3432376629. The cubic root of 144224325 is about 524.4203125450.

Adding to 144224325 its reverse (523422441), we get a palindrome (667646766).

The spelling of 144224325 in words is "one hundred forty-four million, two hundred twenty-four thousand, three hundred twenty-five".