144426052 has 6 divisors (see below), whose sum is σ = 252745598. Its totient is φ = 72213024.

The previous prime is 144426043. The next prime is 144426053. The reversal of 144426052 is 250624441.

It can be written as a sum of positive squares in only one way, i.e., 133772356 + 10653696 = 11566^2 + 3264^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144426052.

It is not an unprimeable number, because it can be changed into a prime (144426053) by changing a digit.

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 as a sum of consecutive naturals, namely, 18053253 + ... + 18053260.

Almost surely, 2^144426052 is an apocalyptic number.

It is an amenable number.

144426052 is a deficient number, since it is larger than the sum of its proper divisors (108319546).

144426052 is a wasteful number, since it uses less digits than its factorization.

144426052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36106517 (or 36106515 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 144426052 is about 12017.7390552466. The cubic root of 144426052 is about 524.6647013975.

The spelling of 144426052 in words is "one hundred forty-four million, four hundred twenty-six thousand, fifty-two".