22500134145 has 24 divisors (see below), whose sum is σ = 39003769896. Its totient is φ = 11998983168.

The previous prime is 22500134101. The next prime is 22500134203. The reversal of 22500134145 is 54143100522.

22500134145 is a `hidden beast` number, since 2 + 2 + 500 + 13 + 4 + 145 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 11783536704 + 10716597441 = 108552^2 + 103521^2 .

It is not a de Polignac number, because 22500134145 - 2²⁰ = 22499085569 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 837867 + ... + 864303.

It is an arithmetic number, because the mean of its divisors is an integer number (1625157079).

Almost surely, 2^22500134145 is an apocalyptic number.

It is an amenable number.

22500134145 is a deficient number, since it is larger than the sum of its proper divisors (16503635751).

22500134145 is a wasteful number, since it uses less digits than its factorization.

22500134145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45361 (or 45358 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 22500134145 its reverse (54143100522), we get a palindrome (76643234667).

The spelling of 22500134145 in words is "twenty-two billion, five hundred million, one hundred thirty-four thousand, one hundred forty-five".