143107946 has 8 divisors (see below), whose sum is σ = 216561924. Its totient is φ = 70920640.

The previous prime is 143107933. The next prime is 143107957. The reversal of 143107946 is 649701341.

143107946 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 93334921 + 49773025 = 9661^2 + 7055^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 316385 + ... + 316836.

Almost surely, 2^143107946 is an apocalyptic number.

143107946 is a deficient number, since it is larger than the sum of its proper divisors (73453978).

143107946 is a wasteful number, since it uses less digits than its factorization.

143107946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633336.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 143107946 is about 11962.7733406598. The cubic root of 143107946 is about 523.0637015124.

The spelling of 143107946 in words is "one hundred forty-three million, one hundred seven thousand, nine hundred forty-six".