144681136890 has 16 divisors (see below), whose sum is σ = 347234728608. Its totient is φ = 38581636496.

The previous prime is 144681136783. The next prime is 144681136891. The reversal of 144681136890 is 98631186441.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (144681136891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2411352252 + ... + 2411352311.

It is an arithmetic number, because the mean of its divisors is an integer number (21702170538).

Almost surely, 2^144681136890 is an apocalyptic number.

144681136890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144681136890 is an abundant number, since it is smaller than the sum of its proper divisors (202553591718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144681136890 is a wasteful number, since it uses less digits than its factorization.

144681136890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822704573.

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 144681136890 in words is "one hundred forty-four billion, six hundred eighty-one million, one hundred thirty-six thousand, eight hundred ninety".