144865625 has 24 divisors (see below), whose sum is σ = 182863296. Its totient is φ = 114750000.

The previous prime is 144865621. The next prime is 144865639. The reversal of 144865625 is 526568441.

It is not a de Polignac number, because 144865625 - 2² = 144865621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144865621) 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 23 ways as a sum of consecutive naturals, for example, 471722 + ... + 472028.

It is an arithmetic number, because the mean of its divisors is an integer number (7619304).

Almost surely, 2^144865625 is an apocalyptic number.

It is an amenable number.

144865625 is a deficient number, since it is larger than the sum of its proper divisors (37997671).

144865625 is an frugal number, since it uses more digits than its factorization.

144865625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 463 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 144865625 is about 12036.0136673236. The cubic root of 144865625 is about 525.1964495351.

The spelling of 144865625 in words is "one hundred forty-four million, eight hundred sixty-five thousand, six hundred twenty-five".