144005525 has 12 divisors (see below), whose sum is σ = 178978500. Its totient is φ = 114938880.

The previous prime is 144005483. The next prime is 144005531. The reversal of 144005525 is 525500441.

It can be written as a sum of positive squares in 6 ways, for example, as 628849 + 143376676 = 793^2 + 11974^2 .

It is a de Polignac number, because none of the positive numbers 2^k-144005525 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144005494 and 144005503.

It is a congruent number.

It is an unprimeable number.

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, 4811 + ... + 17639.

It is an arithmetic number, because the mean of its divisors is an integer number (14914875).

Almost surely, 2^144005525 is an apocalyptic number.

It is an amenable number.

144005525 is a deficient number, since it is larger than the sum of its proper divisors (34972975).

144005525 is a wasteful number, since it uses less digits than its factorization.

144005525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13288 (or 13283 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 144005525 is about 12000.2302061252. The cubic root of 144005525 is about 524.1549822728.

Adding to 144005525 its reverse (525500441), we get a palindrome (669505966).

The spelling of 144005525 in words is "one hundred forty-four million, five thousand, five hundred twenty-five".