11455145 has 32 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 7951104.

The previous prime is 11455141. The next prime is 11455153. The reversal of 11455145 is 54155411.

It is not a de Polignac number, because 11455145 - 2² = 11455141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11455141) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 111164 + ... + 111266.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^11455145 is an apocalyptic number.

It is an amenable number.

11455145 is a deficient number, since it is larger than the sum of its proper divisors (4269655).

11455145 is a wasteful number, since it uses less digits than its factorization.

11455145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209.

The product of its digits is 2000, while the sum is 26.

The square root of 11455145 is about 3384.5450211217. The cubic root of 11455145 is about 225.4240234505.

The spelling of 11455145 in words is "eleven million, four hundred fifty-five thousand, one hundred forty-five".