145443840000 has 560 divisors, whose sum is σ = 514056861648. Its totient is φ = 36438016000.

The previous prime is 145443839977. The next prime is 145443840013. The reversal of 145443840000 is 48344541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 261119722 + ... + 261120278.

Almost surely, 2^145443840000 is an apocalyptic number.

145443840000 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 145443840000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (257028430824).

145443840000 is an abundant number, since it is smaller than the sum of its proper divisors (368613021648).

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

145443840000 is an frugal number, since it uses more digits than its factorization.

145443840000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 145443840000 in words is "one hundred forty-five billion, four hundred forty-three million, eight hundred forty thousand".