228045137 has 8 divisors (see below), whose sum is σ = 230470656. Its totient is φ = 225629712.

The previous prime is 228045127. The next prime is 228045143. The reversal of 228045137 is 731540822.

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

It is a cyclic number.

It is not a de Polignac number, because 228045137 - 2⁴ = 228045121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228045127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48158 + ... + 52680.

It is an arithmetic number, because the mean of its divisors is an integer number (28808832).

Almost surely, 2^228045137 is an apocalyptic number.

It is an amenable number.

228045137 is a deficient number, since it is larger than the sum of its proper divisors (2425519).

228045137 is a wasteful number, since it uses less digits than its factorization.

228045137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 228045137 is about 15101.1634320009. The cubic root of 228045137 is about 610.9517856742.

Adding to 228045137 its reverse (731540822), we get a palindrome (959585959).

The spelling of 228045137 in words is "two hundred twenty-eight million, forty-five thousand, one hundred thirty-seven".