11552145 has 32 divisors (see below), whose sum is σ = 20559744. Its totient is φ = 5491200.

The previous prime is 11552143. The next prime is 11552153. The reversal of 11552145 is 54125511.

It is not a de Polignac number, because 11552145 - 2¹ = 11552143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11552143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8085 + ... + 9405.

It is an arithmetic number, because the mean of its divisors is an integer number (642492).

Almost surely, 2^11552145 is an apocalyptic number.

11552145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11552145 is a deficient number, since it is larger than the sum of its proper divisors (9007599).

11552145 is a wasteful number, since it uses less digits than its factorization.

11552145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1393.

The product of its digits is 1000, while the sum is 24.

The square root of 11552145 is about 3398.8446566444. The cubic root of 11552145 is about 226.0585185348.

Adding to 11552145 its reverse (54125511), we get a palindrome (65677656).

The spelling of 11552145 in words is "eleven million, five hundred fifty-two thousand, one hundred forty-five".