144881909155 has 8 divisors (see below), whose sum is σ = 173970250272. Its totient is φ = 115830887808.

The previous prime is 144881909153. The next prime is 144881909209. The reversal of 144881909155 is 551909188441.

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

It is a cyclic number.

It is not a de Polignac number, because 144881909155 - 2¹ = 144881909153 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144881909096 and 144881909105.

It is not an unprimeable number, because it can be changed into a prime (144881909153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9321399 + ... + 9336928.

It is an arithmetic number, because the mean of its divisors is an integer number (21746281284).

Almost surely, 2^144881909155 is an apocalyptic number.

144881909155 is a deficient number, since it is larger than the sum of its proper divisors (29088341117).

144881909155 is a wasteful number, since it uses less digits than its factorization.

144881909155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18659885.

The product of its (nonzero) digits is 2073600, while the sum is 55.

The spelling of 144881909155 in words is "one hundred forty-four billion, eight hundred eighty-one million, nine hundred nine thousand, one hundred fifty-five".