143152222 has 4 divisors (see below), whose sum is σ = 214728336. Its totient is φ = 71576110.

The previous prime is 143152201. The next prime is 143152237. The reversal of 143152222 is 222251341.

It is a happy number.

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

It is a super-3 number, since 3×143152222³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143152193 and 143152202.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 35788054 + ... + 35788057.

It is an arithmetic number, because the mean of its divisors is an integer number (53682084).

Almost surely, 2^143152222 is an apocalyptic number.

143152222 is a deficient number, since it is larger than the sum of its proper divisors (71576114).

143152222 is an equidigital number, since it uses as much as digits as its factorization.

143152222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71576113.

The product of its digits is 960, while the sum is 22.

The square root of 143152222 is about 11964.6237717698. The cubic root of 143152222 is about 523.1176393057.

The spelling of 143152222 in words is "one hundred forty-three million, one hundred fifty-two thousand, two hundred twenty-two".