143944002 has 12 divisors (see below), whose sum is σ = 311878710. Its totient is φ = 47981328.

The previous prime is 143944001. The next prime is 143944027. The reversal of 143944002 is 200449341.

It can be written as a sum of positive squares in only one way, i.e., 143496441 + 447561 = 11979^2 + 669^2 .

It is not an unprimeable number, because it can be changed into a prime (143944001) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3998427 + ... + 3998462.

Almost surely, 2^143944002 is an apocalyptic number.

143944002 is an abundant number, since it is smaller than the sum of its proper divisors (167934708).

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

143944002 is a wasteful number, since it uses less digits than its factorization.

143944002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7996897 (or 7996894 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 143944002 is about 11997.6665231202. Note that the first 3 decimals coincide. The cubic root of 143944002 is about 524.0803273122.

The spelling of 143944002 in words is "one hundred forty-three million, nine hundred forty-four thousand, two".