144843869412 has 288 divisors, whose sum is σ = 437048640000. Its totient is φ = 41336982720.

The previous prime is 144843869407. The next prime is 144843869449. The reversal of 144843869412 is 214968348441.

144843869412 is a `hidden beast` number, since 144 + 8 + 4 + 3 + 86 + 9 + 412 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44442639 + ... + 44445897.

It is an arithmetic number, because the mean of its divisors is an integer number (1517530000).

Almost surely, 2^144843869412 is an apocalyptic number.

144843869412 is a gapful number since it is divisible by the number (12) 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 144843869412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218524320000).

144843869412 is an abundant number, since it is smaller than the sum of its proper divisors (292204770588).

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

144843869412 is a wasteful number, since it uses less digits than its factorization.

144843869412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492 (or 3473 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 144843869412 in words is "one hundred forty-four billion, eight hundred forty-three million, eight hundred sixty-nine thousand, four hundred twelve".