11230145 has 8 divisors (see below), whose sum is σ = 13551720. Its totient is φ = 8933760.

The previous prime is 11230139. The next prime is 11230157. The reversal of 11230145 is 54103211.

It can be written as a sum of positive squares in 4 ways, for example, as 1168561 + 10061584 = 1081^2 + 3172^2 .

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-11230145 is a prime.

It is a super-2 number, since 2×11230145² = 252232313442050, which contains 22 as substring.

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, 5300 + ... + 7109.

It is an arithmetic number, because the mean of its divisors is an integer number (1693965).

Almost surely, 2^11230145 is an apocalyptic number.

It is an amenable number.

11230145 is a deficient number, since it is larger than the sum of its proper divisors (2321575).

11230145 is a wasteful number, since it uses less digits than its factorization.

11230145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12595.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 11230145 is about 3351.1408505164. The cubic root of 11230145 is about 223.9383400120.

Adding to 11230145 its reverse (54103211), we get a palindrome (65333356).

The spelling of 11230145 in words is "eleven million, two hundred thirty thousand, one hundred forty-five".