27230145 has 8 divisors (see below), whose sum is σ = 43568256. Its totient is φ = 14522736.

The previous prime is 27230129. The next prime is 27230167. The reversal of 27230145 is 54103272.

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

It is not a de Polignac number, because 27230145 - 2⁴ = 27230129 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

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, 907657 + ... + 907686.

It is an arithmetic number, because the mean of its divisors is an integer number (5446032).

Almost surely, 2^27230145 is an apocalyptic number.

It is an amenable number.

27230145 is a deficient number, since it is larger than the sum of its proper divisors (16338111).

27230145 is a wasteful number, since it uses less digits than its factorization.

27230145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815351.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 27230145 is about 5218.2511438220. The cubic root of 27230145 is about 300.8499784036.

The spelling of 27230145 in words is "twenty-seven million, two hundred thirty thousand, one hundred forty-five".