143400996 has 48 divisors (see below), whose sum is σ = 377892480. Its totient is φ = 47014560.

The previous prime is 143400991. The next prime is 143400997. The reversal of 143400996 is 699004341.

143400996 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

143400996 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 143400996.

It is not an unprimeable number, because it can be changed into a prime (143400991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4296 + ... + 17471.

It is an arithmetic number, because the mean of its divisors is an integer number (7872760).

Almost surely, 2^143400996 is an apocalyptic number.

It is an amenable number.

143400996 is an abundant number, since it is smaller than the sum of its proper divisors (234491484).

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

143400996 is a wasteful number, since it uses less digits than its factorization.

143400996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21841 (or 21833 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 143400996 is about 11975.0154905954. The cubic root of 143400996 is about 523.4204935043.

The spelling of 143400996 in words is "one hundred forty-three million, four hundred thousand, nine hundred ninety-six".