228145046 has 16 divisors (see below), whose sum is σ = 362396160. Its totient is φ = 107418600.

The previous prime is 228145031. The next prime is 228145051. The reversal of 228145046 is 640541822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11630 + ... + 24321.

It is an arithmetic number, because the mean of its divisors is an integer number (22649760).

Almost surely, 2^228145046 is an apocalyptic number.

228145046 is a deficient number, since it is larger than the sum of its proper divisors (134251114).

228145046 is a wasteful number, since it uses less digits than its factorization.

228145046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36139.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 228145046 is about 15104.4710599213. The cubic root of 228145046 is about 611.0409941396.

Adding to 228145046 its reverse (640541822), we get a palindrome (868686868).

The spelling of 228145046 in words is "two hundred twenty-eight million, one hundred forty-five thousand, forty-six".