144141661000 has 128 divisors (see below), whose sum is σ = 354077568000. Its totient is φ = 54850368000.

The previous prime is 144141660959. The next prime is 144141661067. The reversal of 144141661000 is 166141441.

It is a self number, because there is not a number n which added to its sum of digits gives 144141661000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1789596 + ... + 1868404.

It is an arithmetic number, because the mean of its divisors is an integer number (2766231000).

Almost surely, 2^144141661000 is an apocalyptic number.

144141661000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144141661000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177038784000).

144141661000 is an abundant number, since it is smaller than the sum of its proper divisors (209935907000).

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

144141661000 is a wasteful number, since it uses less digits than its factorization.

144141661000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78920 (or 78906 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The spelling of 144141661000 in words is "one hundred forty-four billion, one hundred forty-one million, six hundred sixty-one thousand".