11481445 has 8 divisors (see below), whose sum is σ = 13933080. Its totient is φ = 9081600.

The previous prime is 11481427. The next prime is 11481451. The reversal of 11481445 is 54418411.

It can be written as a sum of positive squares in 4 ways, for example, as 312481 + 11168964 = 559^2 + 3342^2 .

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

It is not a de Polignac number, because 11481445 - 2⁵ = 11481413 is a prime.

It is a congruent number.

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, 12456 + ... + 13345.

It is an arithmetic number, because the mean of its divisors is an integer number (1741635).

Almost surely, 2^11481445 is an apocalyptic number.

It is an amenable number.

11481445 is a deficient number, since it is larger than the sum of its proper divisors (2451635).

11481445 is an equidigital number, since it uses as much as digits as its factorization.

11481445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25895.

The product of its digits is 2560, while the sum is 28.

The square root of 11481445 is about 3388.4281016424. The cubic root of 11481445 is about 225.5964094649.

Adding to 11481445 its reverse (54418411), we get a palindrome (65899856).

The spelling of 11481445 in words is "eleven million, four hundred eighty-one thousand, four hundred forty-five".