226660145 has 8 divisors (see below), whose sum is σ = 272643840. Its totient is φ = 180893680.

The previous prime is 226660121. The next prime is 226660219. The reversal of 226660145 is 541066622.

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

It is a de Polignac number, because none of the positive numbers 2^k-226660145 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52001 + ... + 56190.

It is an arithmetic number, because the mean of its divisors is an integer number (34080480).

Almost surely, 2^226660145 is an apocalyptic number.

It is an amenable number.

226660145 is a deficient number, since it is larger than the sum of its proper divisors (45983695).

226660145 is a wasteful number, since it uses less digits than its factorization.

226660145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108615.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 226660145 is about 15055.2364644332. The cubic root of 226660145 is about 609.7124372452.

The spelling of 226660145 in words is "two hundred twenty-six million, six hundred sixty thousand, one hundred forty-five".