143990962 has 8 divisors (see below), whose sum is σ = 217968300. Its totient is φ = 71334864.

The previous prime is 143990947. The next prime is 143990963. The reversal of 143990962 is 269099341.

It can be written as a sum of positive squares in 2 ways, for example, as 138274081 + 5716881 = 11759^2 + 2391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (143990963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330037 + ... + 330472.

Almost surely, 2^143990962 is an apocalyptic number.

143990962 is a deficient number, since it is larger than the sum of its proper divisors (73977338).

143990962 is a wasteful number, since it uses less digits than its factorization.

143990962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660620.

The product of its (nonzero) digits is 104976, while the sum is 43.

The square root of 143990962 is about 11999.6234107575. The cubic root of 143990962 is about 524.1373127509.

The spelling of 143990962 in words is "one hundred forty-three million, nine hundred ninety thousand, nine hundred sixty-two".