11655145 has 8 divisors (see below), whose sum is σ = 14029704. Its totient is φ = 9295104.

The previous prime is 11655121. The next prime is 11655157. The reversal of 11655145 is 54155611.

It is a happy number.

11655145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 870489 + 10784656 = 933^2 + 3284^2 .

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 11655145 - 2¹³ = 11646953 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, 1774 + ... + 5143.

It is an arithmetic number, because the mean of its divisors is an integer number (1753713).

Almost surely, 2^11655145 is an apocalyptic number.

It is an amenable number.

11655145 is a deficient number, since it is larger than the sum of its proper divisors (2374559).

11655145 is an equidigital number, since it uses as much as digits as its factorization.

11655145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7259.

The product of its digits is 3000, while the sum is 28.

The square root of 11655145 is about 3413.9632394037. The cubic root of 11655145 is about 226.7283845297.

The spelling of 11655145 in words is "eleven million, six hundred fifty-five thousand, one hundred forty-five".