11274145 has 8 divisors (see below), whose sum is σ = 14324904. Its totient is φ = 8488704.

The previous prime is 11274143. The next prime is 11274149. The reversal of 11274145 is 54147211.

It can be written as a sum of positive squares in 4 ways, for example, as 91809 + 11182336 = 303^2 + 3344^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11274145 - 2¹ = 11274143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11274143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66234 + ... + 66403.

It is an arithmetic number, because the mean of its divisors is an integer number (1790613).

Almost surely, 2^11274145 is an apocalyptic number.

It is an amenable number.

11274145 is a deficient number, since it is larger than the sum of its proper divisors (3050759).

11274145 is a wasteful number, since it uses less digits than its factorization.

11274145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132659.

The product of its digits is 1120, while the sum is 25.

The square root of 11274145 is about 3357.6993611698. The cubic root of 11274145 is about 224.2304242911.

The spelling of 11274145 in words is "eleven million, two hundred seventy-four thousand, one hundred forty-five".