144135640624 has 20 divisors (see below), whose sum is σ = 279309310560. Its totient is φ = 72055818560.

The previous prime is 144135640603. The next prime is 144135640633. The reversal of 144135640624 is 426046531441.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 650632 + ... + 843559.

It is an arithmetic number, because the mean of its divisors is an integer number (13965465528).

Almost surely, 2^144135640624 is an apocalyptic number.

It is an amenable number.

144135640624 is a deficient number, since it is larger than the sum of its proper divisors (135173669936).

144135640624 is a wasteful number, since it uses less digits than its factorization.

144135640624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500228 (or 1500222 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 144135640624 in words is "one hundred forty-four billion, one hundred thirty-five million, six hundred forty thousand, six hundred twenty-four".