22853188540145 has 4 divisors (see below), whose sum is σ = 27423826248180. Its totient is φ = 18282550832112.

The previous prime is 22853188540073. The next prime is 22853188540151. The reversal of 22853188540145 is 54104588135822.

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 18133732090384 + 4719456449761 = 4258372^2 + 2172431^2 .

It is a cyclic number.

It is not a de Polignac number, because 22853188540145 - 2¹² = 22853188536049 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2285318854010 + ... + 2285318854019.

It is an arithmetic number, because the mean of its divisors is an integer number (6855956562045).

Almost surely, 2^{22853188540145} is an apocalyptic number.

It is an amenable number.

22853188540145 is a deficient number, since it is larger than the sum of its proper divisors (4570637708035).

22853188540145 is an equidigital number, since it uses as much as digits as its factorization.

22853188540145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4570637708034.

The product of its (nonzero) digits is 12288000, while the sum is 56.

The spelling of 22853188540145 in words is "twenty-two trillion, eight hundred fifty-three billion, one hundred eighty-eight million, five hundred forty thousand, one hundred forty-five".