11430145145 has 4 divisors (see below), whose sum is σ = 13716174180. Its totient is φ = 9144116112.

The previous prime is 11430145141. The next prime is 11430145157. The reversal of 11430145145 is 54154103411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7877627536 + 3552517609 = 88756^2 + 59603^2 .

It is a cyclic number.

It is not a de Polignac number, because 11430145145 - 2² = 11430145141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11430145141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1143014510 + ... + 1143014519.

It is an arithmetic number, because the mean of its divisors is an integer number (3429043545).

Almost surely, 2^11430145145 is an apocalyptic number.

It is an amenable number.

11430145145 is a deficient number, since it is larger than the sum of its proper divisors (2286029035).

11430145145 is an equidigital number, since it uses as much as digits as its factorization.

11430145145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2286029034.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 11430145145 its reverse (54154103411), we get a palindrome (65584248556).

The spelling of 11430145145 in words is "eleven billion, four hundred thirty million, one hundred forty-five thousand, one hundred forty-five".