143428755456 has 784 divisors, whose sum is σ = 508834485504. Its totient is φ = 39558316032.

The previous prime is 143428755451. The next prime is 143428755469. The reversal of 143428755456 is 654557824341.

143428755456 is a `hidden beast` number, since 1 + 4 + 3 + 4 + 2 + 87 + 554 + 5 + 6 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (143428755451) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1964777436 + ... + 1964777508.

Almost surely, 2^143428755456 is an apocalyptic number.

143428755456 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 143428755456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254417242752).

143428755456 is an abundant number, since it is smaller than the sum of its proper divisors (365405730048).

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

143428755456 is an frugal number, since it uses more digits than its factorization.

143428755456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 132 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 54.

The spelling of 143428755456 in words is "one hundred forty-three billion, four hundred twenty-eight million, seven hundred fifty-five thousand, four hundred fifty-six".