144020325 has 12 divisors (see below), whose sum is σ = 238113728. Its totient is φ = 76810800.

The previous prime is 144020321. The next prime is 144020369. The reversal of 144020325 is 523020441.

It is not a de Polignac number, because 144020325 - 2² = 144020321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144020321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960061 + ... + 960210.

Almost surely, 2^144020325 is an apocalyptic number.

144020325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144020325 is a deficient number, since it is larger than the sum of its proper divisors (94093403).

144020325 is a wasteful number, since it uses less digits than its factorization.

144020325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920284 (or 1920279 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 144020325 is about 12000.8468451189. The cubic root of 144020325 is about 524.1729381302.

Adding to 144020325 its reverse (523020441), we get a palindrome (667040766).

The spelling of 144020325 in words is "one hundred forty-four million, twenty thousand, three hundred twenty-five".