12285145 has 8 divisors (see below), whose sum is σ = 15217920. Its totient is φ = 9510960.

The previous prime is 12285137. The next prime is 12285167. The reversal of 12285145 is 54158221.

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

It is not a de Polignac number, because 12285145 - 2³ = 12285137 is a prime.

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, 39475 + ... + 39784.

It is an arithmetic number, because the mean of its divisors is an integer number (1902240).

Almost surely, 2^12285145 is an apocalyptic number.

It is an amenable number.

12285145 is a deficient number, since it is larger than the sum of its proper divisors (2932775).

12285145 is an equidigital number, since it uses as much as digits as its factorization.

12285145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79295.

The product of its digits is 3200, while the sum is 28.

The square root of 12285145 is about 3505.0171183605. The cubic root of 12285145 is about 230.7420582394.

The spelling of 12285145 in words is "twelve million, two hundred eighty-five thousand, one hundred forty-five".