143155222 has 8 divisors (see below), whose sum is σ = 245408976. Its totient is φ = 61352232.

The previous prime is 143155217. The next prime is 143155237. The reversal of 143155222 is 222551341.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 5112673 + ... + 5112700.

It is an arithmetic number, because the mean of its divisors is an integer number (30676122).

Almost surely, 2^143155222 is an apocalyptic number.

143155222 is a deficient number, since it is larger than the sum of its proper divisors (102253754).

143155222 is a wasteful number, since it uses less digits than its factorization.

143155222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10225382.

The product of its digits is 2400, while the sum is 25.

The square root of 143155222 is about 11964.7491407050. The cubic root of 143155222 is about 523.1212935556.

The spelling of 143155222 in words is "one hundred forty-three million, one hundred fifty-five thousand, two hundred twenty-two".