144036681238 has 8 divisors (see below), whose sum is σ = 219716971560. Its totient is φ = 70797690720.

The previous prime is 144036681197. The next prime is 144036681241. The reversal of 144036681238 is 832186630441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610324803 + ... + 610325038.

It is an arithmetic number, because the mean of its divisors is an integer number (27464621445).

Almost surely, 2^144036681238 is an apocalyptic number.

144036681238 is a deficient number, since it is larger than the sum of its proper divisors (75680290322).

144036681238 is a wasteful number, since it uses less digits than its factorization.

144036681238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220649902.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 144036681238 in words is "one hundred forty-four billion, thirty-six million, six hundred eighty-one thousand, two hundred thirty-eight".