143883946 has 8 divisors (see below), whose sum is σ = 216005220. Its totient is φ = 71882208.

The previous prime is 143883931. The next prime is 143883947. The reversal of 143883946 is 649388341.

It can be written as a sum of positive squares in 2 ways, for example, as 134304921 + 9579025 = 11589^2 + 3095^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 143883896 and 143883905.

It is not an unprimeable number, because it can be changed into a prime (143883947) 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, 26811 + ... + 31726.

Almost surely, 2^143883946 is an apocalyptic number.

143883946 is a deficient number, since it is larger than the sum of its proper divisors (72121274).

143883946 is a wasteful number, since it uses less digits than its factorization.

143883946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59768.

The product of its digits is 497664, while the sum is 46.

The square root of 143883946 is about 11995.1634419878. The cubic root of 143883946 is about 524.0074319595.

The spelling of 143883946 in words is "one hundred forty-three million, eight hundred eighty-three thousand, nine hundred forty-six".