11145290 has 16 divisors (see below), whose sum is σ = 21604968. Its totient is φ = 4115136.

The previous prime is 11145289. The next prime is 11145313. The reversal of 11145290 is 9254111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8898289 + 2247001 = 2983^2 + 1499^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42737 + ... + 42996.

Almost surely, 2^11145290 is an apocalyptic number.

11145290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11145290 is a deficient number, since it is larger than the sum of its proper divisors (10459678).

11145290 is a wasteful number, since it uses less digits than its factorization.

11145290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85753.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 11145290 is about 3338.4562300560. The cubic root of 11145290 is about 223.3728872296.

The spelling of 11145290 in words is "eleven million, one hundred forty-five thousand, two hundred ninety".