143196694 has 4 divisors (see below), whose sum is σ = 214795044. Its totient is φ = 71598346.

The previous prime is 143196659. The next prime is 143196721. The reversal of 143196694 is 496691341.

143196694 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 143196694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35799172 + ... + 35799175.

It is an arithmetic number, because the mean of its divisors is an integer number (53698761).

Almost surely, 2^143196694 is an apocalyptic number.

143196694 is a deficient number, since it is larger than the sum of its proper divisors (71598350).

143196694 is an equidigital number, since it uses as much as digits as its factorization.

143196694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71598349.

The product of its digits is 139968, while the sum is 43.

The square root of 143196694 is about 11966.4821062834. The cubic root of 143196694 is about 523.1718046752.

The spelling of 143196694 in words is "one hundred forty-three million, one hundred ninety-six thousand, six hundred ninety-four".