228062143 has 4 divisors (see below), whose sum is σ = 228124368. Its totient is φ = 227999920.

The previous prime is 228062069. The next prime is 228062161. The reversal of 228062143 is 341260822.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228062143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228062183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25246 + ... + 33067.

It is an arithmetic number, because the mean of its divisors is an integer number (57031092).

Almost surely, 2^228062143 is an apocalyptic number.

228062143 is a deficient number, since it is larger than the sum of its proper divisors (62225).

228062143 is an equidigital number, since it uses as much as digits as its factorization.

228062143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62224.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 228062143 is about 15101.7264907030. The cubic root of 228062143 is about 610.9669721237.

The spelling of 228062143 in words is "two hundred twenty-eight million, sixty-two thousand, one hundred forty-three".