144808436 has 12 divisors (see below), whose sum is σ = 253505700. Its totient is φ = 72378240.

The previous prime is 144808403. The next prime is 144808441. The reversal of 144808436 is 634808441.

It can be written as a sum of positive squares in 2 ways, for example, as 64705936 + 80102500 = 8044^2 + 8950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 144808436.

It is a congruent number.

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, 11726 + ... + 20666.

It is an arithmetic number, because the mean of its divisors is an integer number (21125475).

Almost surely, 2^144808436 is an apocalyptic number.

It is an amenable number.

144808436 is a deficient number, since it is larger than the sum of its proper divisors (108697264).

144808436 is a wasteful number, since it uses less digits than its factorization.

144808436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12994 (or 12992 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 144808436 is about 12033.6376877485. The cubic root of 144808436 is about 525.1273293579.

The spelling of 144808436 in words is "one hundred forty-four million, eight hundred eight thousand, four hundred thirty-six".