228144542 has 8 divisors (see below), whose sum is σ = 348673896. Its totient is φ = 111919912.

The previous prime is 228144529. The next prime is 228144559. The reversal of 228144542 is 245441822.

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

It is a junction number, because it is equal to n+sod(n) for n = 228144499 and 228144508.

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, 1076048 + ... + 1076259.

It is an arithmetic number, because the mean of its divisors is an integer number (43584237).

Almost surely, 2^228144542 is an apocalyptic number.

228144542 is a deficient number, since it is larger than the sum of its proper divisors (120529354).

228144542 is a wasteful number, since it uses less digits than its factorization.

228144542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2152362.

The product of its digits is 20480, while the sum is 32.

The square root of 228144542 is about 15104.4543761104. The cubic root of 228144542 is about 611.0405441848.

The spelling of 228144542 in words is "two hundred twenty-eight million, one hundred forty-four thousand, five hundred forty-two".