144525109 has 4 divisors (see below), whose sum is σ = 153026604. Its totient is φ = 136023616.

The previous prime is 144525089. The next prime is 144525149. The reversal of 144525109 is 901525441.

144525109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 131744484 + 12780625 = 11478^2 + 3575^2 .

It is a cyclic number.

It is not a de Polignac number, because 144525109 - 2⁷ = 144524981 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 (144525149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250722 + ... + 4250755.

It is an arithmetic number, because the mean of its divisors is an integer number (38256651).

Almost surely, 2^144525109 is an apocalyptic number.

It is an amenable number.

144525109 is a deficient number, since it is larger than the sum of its proper divisors (8501495).

144525109 is an equidigital number, since it uses as much as digits as its factorization.

144525109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501494.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 144525109 is about 12021.8596315212. The cubic root of 144525109 is about 524.7846239767.

The spelling of 144525109 in words is "one hundred forty-four million, five hundred twenty-five thousand, one hundred nine".