144426265 has 4 divisors (see below), whose sum is σ = 173311524. Its totient is φ = 115541008.

The previous prime is 144426257. The next prime is 144426287. The reversal of 144426265 is 562624441.

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 24720784 + 119705481 = 4972^2 + 10941^2 .

It is a cyclic number.

It is not a de Polignac number, because 144426265 - 2³ = 144426257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144426265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14442622 + ... + 14442631.

It is an arithmetic number, because the mean of its divisors is an integer number (43327881).

Almost surely, 2^144426265 is an apocalyptic number.

It is an amenable number.

144426265 is a deficient number, since it is larger than the sum of its proper divisors (28885259).

144426265 is an equidigital number, since it uses as much as digits as its factorization.

144426265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28885258.

The product of its digits is 46080, while the sum is 34.

The square root of 144426265 is about 12017.7479171432. The cubic root of 144426265 is about 524.6649593231.

It can be divided in two parts, 144 and 426265, that added together give a square (426409 = 653²).

The spelling of 144426265 in words is "one hundred forty-four million, four hundred twenty-six thousand, two hundred sixty-five".