12258145 has 8 divisors (see below), whose sum is σ = 14763456. Its totient is φ = 9770736.

The previous prime is 12258131. The next prime is 12258151. The reversal of 12258145 is 54185221.

12258145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12258145 - 2¹³ = 12249953 is a prime.

It is a Duffinian 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, 2917 + ... + 5746.

It is an arithmetic number, because the mean of its divisors is an integer number (1845432).

Almost surely, 2^12258145 is an apocalyptic number.

It is an amenable number.

12258145 is a deficient number, since it is larger than the sum of its proper divisors (2505311).

12258145 is an equidigital number, since it uses as much as digits as its factorization.

12258145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8951.

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

The square root of 12258145 is about 3501.1633780788. The cubic root of 12258145 is about 230.5728944450.

It can be divided in two parts, 12258 and 145, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 12258145 in words is "twelve million, two hundred fifty-eight thousand, one hundred forty-five".