143743936 has 56 divisors (see below), whose sum is σ = 327152000. Its totient is φ = 61385472.

The previous prime is 143743933. The next prime is 143743937. The reversal of 143743936 is 639347341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143743933) by changing a digit.

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, 223231 + ... + 223873.

It is an arithmetic number, because the mean of its divisors is an integer number (5842000).

Almost surely, 2^143743936 is an apocalyptic number.

143743936 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 143743936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163576000).

143743936 is an abundant number, since it is smaller than the sum of its proper divisors (183408064).

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

143743936 is an equidigital number, since it uses as much as digits as its factorization.

143743936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161 (or 1151 counting only the distinct ones).

The product of its digits is 163296, while the sum is 40.

The square root of 143743936 is about 11989.3259193334. The cubic root of 143743936 is about 523.8374104655.

The spelling of 143743936 in words is "one hundred forty-three million, seven hundred forty-three thousand, nine hundred thirty-six".