144639735650 has 12 divisors (see below), whose sum is σ = 269029908402. Its totient is φ = 57855894240.

The previous prime is 144639735629. The next prime is 144639735659. The reversal of 144639735650 is 56537936441.

144639735650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 102144799201 + 42494936449 = 319601^2 + 206143^2 .

It is a junction number, because it is equal to n+sod(n) for n = 144639735592 and 144639735601.

It is not an unprimeable number, because it can be changed into a prime (144639735659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1446397307 + ... + 1446397406.

Almost surely, 2^144639735650 is an apocalyptic number.

144639735650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144639735650 is a deficient number, since it is larger than the sum of its proper divisors (124390172752).

144639735650 is a wasteful number, since it uses less digits than its factorization.

144639735650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892794725 (or 2892794720 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 144639735650 in words is "one hundred forty-four billion, six hundred thirty-nine million, seven hundred thirty-five thousand, six hundred fifty".