143422673408 has 80 divisors (see below), whose sum is σ = 330004217664. Its totient is φ = 60997447680.

The previous prime is 143422673393. The next prime is 143422673477. The reversal of 143422673408 is 804376224341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316766 + ... + 622242.

Almost surely, 2^143422673408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143422673408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165002108832).

143422673408 is an abundant number, since it is smaller than the sum of its proper divisors (186581544256).

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

143422673408 is an equidigital number, since it uses as much as digits as its factorization.

143422673408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305633 (or 305617 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

Adding to 143422673408 its reverse (804376224341), we get a palindrome (947798897749).

The spelling of 143422673408 in words is "one hundred forty-three billion, four hundred twenty-two million, six hundred seventy-three thousand, four hundred eight".