143500161 has 16 divisors (see below), whose sum is σ = 220713984. Its totient is φ = 81232464.

The previous prime is 143500153. The next prime is 143500223. The reversal of 143500161 is 161005341.

It is not a de Polignac number, because 143500161 - 2³ = 143500153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (143500061) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 29685 + ... + 34178.

It is an arithmetic number, because the mean of its divisors is an integer number (13794624).

Almost surely, 2^143500161 is an apocalyptic number.

It is an amenable number.

143500161 is a deficient number, since it is larger than the sum of its proper divisors (77213823).

143500161 is a wasteful number, since it uses less digits than its factorization.

143500161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63980.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 143500161 is about 11979.1552707192. The cubic root of 143500161 is about 523.5411180346.

The spelling of 143500161 in words is "one hundred forty-three million, five hundred thousand, one hundred sixty-one".