228165142 has 8 divisors (see below), whose sum is σ = 342338832. Its totient is φ = 114052200.

The previous prime is 228165131. The next prime is 228165151. The reversal of 228165142 is 241561822.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4209 + ... + 21772.

It is an arithmetic number, because the mean of its divisors is an integer number (42792354).

Almost surely, 2^228165142 is an apocalyptic number.

228165142 is a deficient number, since it is larger than the sum of its proper divisors (114173690).

228165142 is a wasteful number, since it uses less digits than its factorization.

228165142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30374.

The product of its digits is 7680, while the sum is 31.

The square root of 228165142 is about 15105.1362787629. The cubic root of 228165142 is about 611.0589346552.

The spelling of 228165142 in words is "two hundred twenty-eight million, one hundred sixty-five thousand, one hundred forty-two".