11245545 has 24 divisors (see below), whose sum is σ = 19585800. Its totient is φ = 5968896.

The previous prime is 11245537. The next prime is 11245547. The reversal of 11245545 is 54554211.

11245545 is a `hidden beast` number, since 112 + 4 + 5 + 545 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 767376 + 10478169 = 876^2 + 3237^2 .

It is not a de Polignac number, because 11245545 - 2³ = 11245537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11245547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11641 + ... + 12569.

It is an arithmetic number, because the mean of its divisors is an integer number (816075).

Almost surely, 2^11245545 is an apocalyptic number.

11245545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11245545 is a deficient number, since it is larger than the sum of its proper divisors (8340255).

11245545 is a wasteful number, since it uses less digits than its factorization.

11245545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209 (or 1206 counting only the distinct ones).

The product of its digits is 4000, while the sum is 27.

The square root of 11245545 is about 3353.4377883002. The cubic root of 11245545 is about 224.0406561515.

Adding to 11245545 its reverse (54554211), we get a palindrome (65799756).

The spelling of 11245545 in words is "eleven million, two hundred forty-five thousand, five hundred forty-five".