11145258 has 12 divisors (see below), whose sum is σ = 24148098. Its totient is φ = 3715080.

The previous prime is 11145247. The next prime is 11145259. The reversal of 11145258 is 85254111.

It can be written as a sum of positive squares in only one way, i.e., 10673289 + 471969 = 3267^2 + 687^2 .

It is not an unprimeable number, because it can be changed into a prime (11145259) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309573 + ... + 309608.

Almost surely, 2^11145258 is an apocalyptic number.

11145258 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11145258 is an abundant number, since it is smaller than the sum of its proper divisors (13002840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11145258 is a wasteful number, since it uses less digits than its factorization.

11145258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619189 (or 619186 counting only the distinct ones).

The product of its digits is 1600, while the sum is 27.

The square root of 11145258 is about 3338.4514374183. The cubic root of 11145258 is about 223.3726734490.

Adding to 11145258 its reverse (85254111), we get a palindrome (96399369).

It can be divided in two parts, 111 and 45258, that added together give a square (45369 = 213²).

The spelling of 11145258 in words is "eleven million, one hundred forty-five thousand, two hundred fifty-eight".