143961356 has 48 divisors (see below), whose sum is σ = 320060160. Its totient is φ = 55024320.

The previous prime is 143961353. The next prime is 143961379. The reversal of 143961356 is 653169341.

It is not an unprimeable number, because it can be changed into a prime (143961353) 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 15 ways as a sum of consecutive naturals, for example, 11915 + ... + 20733.

It is an arithmetic number, because the mean of its divisors is an integer number (6667920).

Almost surely, 2^143961356 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 143961356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160030080).

143961356 is an abundant number, since it is smaller than the sum of its proper divisors (176098804).

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

143961356 is a wasteful number, since it uses less digits than its factorization.

143961356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8894 (or 8892 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 143961356 is about 11998.3897252923. The cubic root of 143961356 is about 524.1013876421.

The spelling of 143961356 in words is "one hundred forty-three million, nine hundred sixty-one thousand, three hundred fifty-six".