144145525 has 12 divisors (see below), whose sum is σ = 183572452. Its totient is φ = 112199040.

The previous prime is 144145523. The next prime is 144145541. The reversal of 144145525 is 525541441.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1127844 + 143017681 = 1062^2 + 11959^2 .

It is not a de Polignac number, because 144145525 - 2¹ = 144145523 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 (144145523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76992 + ... + 78841.

Almost surely, 2^144145525 is an apocalyptic number.

It is an amenable number.

144145525 is a deficient number, since it is larger than the sum of its proper divisors (39426927).

144145525 is a wasteful number, since it uses less digits than its factorization.

144145525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155880 (or 155875 counting only the distinct ones).

The product of its digits is 16000, while the sum is 31.

The square root of 144145525 is about 12006.0620105012. The cubic root of 144145525 is about 524.3247857813.

Adding to 144145525 its reverse (525541441), we get a palindrome (669686966).

The spelling of 144145525 in words is "one hundred forty-four million, one hundred forty-five thousand, five hundred twenty-five".