11453945 has 4 divisors (see below), whose sum is σ = 13744740. Its totient is φ = 9163152.

The previous prime is 11453929. The next prime is 11453951. The reversal of 11453945 is 54935411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2621161 + 8832784 = 1619^2 + 2972^2 .

It is a cyclic number.

It is not a de Polignac number, because 11453945 - 2⁴ = 11453929 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145390 + ... + 1145399.

It is an arithmetic number, because the mean of its divisors is an integer number (3436185).

Almost surely, 2^11453945 is an apocalyptic number.

It is an amenable number.

11453945 is a deficient number, since it is larger than the sum of its proper divisors (2290795).

11453945 is an equidigital number, since it uses as much as digits as its factorization.

11453945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290794.

The product of its digits is 10800, while the sum is 32.

The square root of 11453945 is about 3384.3677400661. The cubic root of 11453945 is about 225.4161516376.

The spelling of 11453945 in words is "eleven million, four hundred fifty-three thousand, nine hundred forty-five".