144654625 has 8 divisors (see below), whose sum is σ = 180529128. Its totient is φ = 115723600.

The previous prime is 144654593. The next prime is 144654661. The reversal of 144654625 is 526456441.

It can be written as a sum of positive squares in 4 ways, for example, as 5438224 + 139216401 = 2332^2 + 11799^2 .

It is not a de Polignac number, because 144654625 - 2⁵ = 144654593 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578494 + ... + 578743.

It is an arithmetic number, because the mean of its divisors is an integer number (22566141).

Almost surely, 2^144654625 is an apocalyptic number.

It is an amenable number.

144654625 is a deficient number, since it is larger than the sum of its proper divisors (35874503).

144654625 is an equidigital number, since it uses as much as digits as its factorization.

144654625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157252 (or 1157242 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 144654625 is about 12027.2451126598. The cubic root of 144654625 is about 524.9413388728.

The spelling of 144654625 in words is "one hundred forty-four million, six hundred fifty-four thousand, six hundred twenty-five".