143273164 has 24 divisors (see below), whose sum is σ = 263017440. Its totient is φ = 68158464.

The previous prime is 143273153. The next prime is 143273173. The reversal of 143273164 is 461372341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13722 + ... + 21790.

It is an arithmetic number, because the mean of its divisors is an integer number (10959060).

Almost surely, 2^143273164 is an apocalyptic number.

It is an amenable number.

143273164 is a deficient number, since it is larger than the sum of its proper divisors (119744276).

143273164 is a wasteful number, since it uses less digits than its factorization.

143273164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8289 (or 8287 counting only the distinct ones).

The product of its digits is 12096, while the sum is 31.

The square root of 143273164 is about 11969.6768544518. The cubic root of 143273164 is about 523.2649162953.

The spelling of 143273164 in words is "one hundred forty-three million, two hundred seventy-three thousand, one hundred sixty-four".