143345691648 has 264 divisors, whose sum is σ = 441975925248. Its totient is φ = 44638691328.

The previous prime is 143345691589. The next prime is 143345691673. The reversal of 143345691648 is 846196543341.

It is a happy number.

143345691648 is a `hidden beast` number, since 1 + 4 + 3 + 34 + 569 + 1 + 6 + 48 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 143345691594 and 143345691603.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9106761 + ... + 9122487.

It is an arithmetic number, because the mean of its divisors is an integer number (1674151232).

Almost surely, 2^143345691648 is an apocalyptic number.

143345691648 is a gapful number since it is divisible by the number (18) 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 143345691648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220987962624).

143345691648 is an abundant number, since it is smaller than the sum of its proper divisors (298630233600).

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

143345691648 is a wasteful number, since it uses less digits than its factorization.

143345691648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15819 (or 15798 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 143345691648 in words is "one hundred forty-three billion, three hundred forty-five million, six hundred ninety-one thousand, six hundred forty-eight".