22452131155145 has 16 divisors (see below), whose sum is σ = 27025424250240. Its totient is φ = 17906471864064.

The previous prime is 22452131155141. The next prime is 22452131155159. The reversal of 22452131155145 is 54155113125422.

It is a cyclic number.

It is not a de Polignac number, because 22452131155145 - 2² = 22452131155141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22452131155141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14987594 + ... + 16417436.

It is an arithmetic number, because the mean of its divisors is an integer number (1689089015640).

Almost surely, 2^{22452131155145} is an apocalyptic number.

It is an amenable number.

22452131155145 is a deficient number, since it is larger than the sum of its proper divisors (4573293095095).

22452131155145 is a wasteful number, since it uses less digits than its factorization.

22452131155145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439504.

The product of its digits is 240000, while the sum is 41.

The spelling of 22452131155145 in words is "twenty-two trillion, four hundred fifty-two billion, one hundred thirty-one million, one hundred fifty-five thousand, one hundred forty-five".