11154545 has 8 divisors (see below), whose sum is σ = 13403880. Its totient is φ = 8911360.

The previous prime is 11154529. The next prime is 11154607. The reversal of 11154545 is 54545111.

It can be written as a sum of positive squares in 4 ways, for example, as 3139984 + 8014561 = 1772^2 + 2831^2 .

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

It is not a de Polignac number, because 11154545 - 2⁴ = 11154529 is a prime.

11154545 is a modest number, since divided by 4545 gives 1115 as remainder.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4961 + ... + 6849.

It is an arithmetic number, because the mean of its divisors is an integer number (1675485).

Almost surely, 2^11154545 is an apocalyptic number.

It is an amenable number.

11154545 is a deficient number, since it is larger than the sum of its proper divisors (2249335).

11154545 is a wasteful number, since it uses less digits than its factorization.

11154545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3075.

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

The square root of 11154545 is about 3339.8420621341. The cubic root of 11154545 is about 223.4346994123.

Adding to 11154545 its reverse (54545111), we get a palindrome (65699656).

The spelling of 11154545 in words is "eleven million, one hundred fifty-four thousand, five hundred forty-five".