11445130 has 16 divisors (see below), whose sum is σ = 20679624. Its totient is φ = 4560640.

The previous prime is 11445103. The next prime is 11445139. The reversal of 11445130 is 3154411.

11445130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7800849 + 3644281 = 2793^2 + 1909^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11445098 and 11445107.

It is not an unprimeable number, because it can be changed into a prime (11445139) 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, 774 + ... + 4846.

Almost surely, 2^11445130 is an apocalyptic number.

11445130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11445130 is a deficient number, since it is larger than the sum of its proper divisors (9234494).

11445130 is a wasteful number, since it uses less digits than its factorization.

11445130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 11445130 is about 3383.0651782075. The cubic root of 11445130 is about 225.3583097516.

Adding to 11445130 its reverse (3154411), we get a palindrome (14599541).

It can be divided in two parts, 114451 and 30, that added together give a triangular number (114481 = T₄₇₈).

The spelling of 11445130 in words is "eleven million, four hundred forty-five thousand, one hundred thirty".