143245946 has 8 divisors (see below), whose sum is σ = 215228244. Its totient is φ = 71503200.

The previous prime is 143245913. The next prime is 143245987. The reversal of 143245946 is 649542341.

It can be written as a sum of positive squares in 2 ways, for example, as 116877721 + 26368225 = 10811^2 + 5135^2 .

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

It is a Curzon number.

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, 58385 + ... + 60788.

Almost surely, 2^143245946 is an apocalyptic number.

143245946 is a deficient number, since it is larger than the sum of its proper divisors (71982298).

143245946 is a wasteful number, since it uses less digits than its factorization.

143245946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119776.

The product of its digits is 103680, while the sum is 38.

The square root of 143245946 is about 11968.5398441080. The cubic root of 143245946 is about 523.2317788347.

The spelling of 143245946 in words is "one hundred forty-three million, two hundred forty-five thousand, nine hundred forty-six".