228808807145 has 8 divisors (see below), whose sum is σ = 274702017480. Its totient is φ = 182959413120.

The previous prime is 228808807127. The next prime is 228808807231. The reversal of 228808807145 is 541708808822.

It can be written as a sum of positive squares in 4 ways, for example, as 5143184656 + 223665622489 = 71716^2 + 472933^2 .

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

It is not a de Polignac number, because 228808807145 - 2²⁶ = 228741698281 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10942586 + ... + 10963475.

It is an arithmetic number, because the mean of its divisors is an integer number (34337752185).

Almost surely, 2^228808807145 is an apocalyptic number.

It is an amenable number.

228808807145 is a deficient number, since it is larger than the sum of its proper divisors (45893210335).

228808807145 is a wasteful number, since it uses less digits than its factorization.

228808807145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21908155.

The product of its (nonzero) digits is 2293760, while the sum is 53.

The spelling of 228808807145 in words is "two hundred twenty-eight billion, eight hundred eight million, eight hundred seven thousand, one hundred forty-five".