144451625 has 8 divisors (see below), whose sum is σ = 180275784. Its totient is φ = 115561200.

The previous prime is 144451613. The next prime is 144451627. The reversal of 144451625 is 526154441.

It can be written as a sum of positive squares in 4 ways, for example, as 5895184 + 138556441 = 2428^2 + 11771^2 .

It is not a de Polignac number, because 144451625 - 2⁴ = 144451609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144451591 and 144451600.

It is not an unprimeable number, because it can be changed into a prime (144451627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577682 + ... + 577931.

It is an arithmetic number, because the mean of its divisors is an integer number (22534473).

Almost surely, 2^144451625 is an apocalyptic number.

It is an amenable number.

144451625 is a deficient number, since it is larger than the sum of its proper divisors (35824159).

144451625 is an equidigital number, since it uses as much as digits as its factorization.

144451625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155628 (or 1155618 counting only the distinct ones).

The product of its digits is 19200, while the sum is 32.

The square root of 144451625 is about 12018.8029770023. The cubic root of 144451625 is about 524.6956663986.

The spelling of 144451625 in words is "one hundred forty-four million, four hundred fifty-one thousand, six hundred twenty-five".