143408980656 has 640 divisors, whose sum is σ = 464970240000. Its totient is φ = 42152140800.

The previous prime is 143408980643. The next prime is 143408980711. The reversal of 143408980656 is 656089804341.

143408980656 is a `hidden beast` number, since 1 + 434 + 0 + 89 + 80 + 6 + 56 = 666.

It is a super-2 number, since 2×143408980656² (a number of 23 digits) contains 22 as substring.

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 127 ways as a sum of consecutive naturals, for example, 720648045 + ... + 720648243.

It is an arithmetic number, because the mean of its divisors is an integer number (726516000).

Almost surely, 2^143408980656 is an apocalyptic number.

143408980656 is a gapful number since it is divisible by the number (16) 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 143408980656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232485120000).

143408980656 is an abundant number, since it is smaller than the sum of its proper divisors (321561259344).

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

143408980656 is a wasteful number, since it uses less digits than its factorization.

143408980656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 143408980656 in words is "one hundred forty-three billion, four hundred eight million, nine hundred eighty thousand, six hundred fifty-six".