143193964 has 12 divisors (see below), whose sum is σ = 250678288. Its totient is φ = 71571600.

The previous prime is 143193949. The next prime is 143193979. The reversal of 143193964 is 469391341.

143193964 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143193949) and next prime (143193979).

It is a super-2 number, since 2×143193964² = 41009022652066592, which contains 22 as substring.

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, 12694 + ... + 21154.

Almost surely, 2^143193964 is an apocalyptic number.

It is an amenable number.

143193964 is a deficient number, since it is larger than the sum of its proper divisors (107484324).

143193964 is a wasteful number, since it uses less digits than its factorization.

143193964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12696 (or 12694 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 143193964 is about 11966.3680371281. The cubic root of 143193964 is about 523.1684799520.

The spelling of 143193964 in words is "one hundred forty-three million, one hundred ninety-three thousand, nine hundred sixty-four".