144745825 has 24 divisors (see below), whose sum is σ = 207264512. Its totient is φ = 98219520.

The previous prime is 144745823. The next prime is 144745841. The reversal of 144745825 is 528547441.

It is not a de Polignac number, because 144745825 - 2¹ = 144745823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144745823) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12712 + ... + 21238.

Almost surely, 2^144745825 is an apocalyptic number.

It is an amenable number.

144745825 is a deficient number, since it is larger than the sum of its proper divisors (62518687).

144745825 is an equidigital number, since it uses as much as digits as its factorization.

144745825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8641 (or 8636 counting only the distinct ones).

The product of its digits is 179200, while the sum is 40.

The square root of 144745825 is about 12031.0359071860. The cubic root of 144745825 is about 525.0516351330.

The spelling of 144745825 in words is "one hundred forty-four million, seven hundred forty-five thousand, eight hundred twenty-five".