22541144145 has 32 divisors (see below), whose sum is σ = 39224715264. Its totient is φ = 10987296000.

The previous prime is 22541144081. The next prime is 22541144147. The reversal of 22541144145 is 54144114522.

It is not a de Polignac number, because 22541144145 - 2⁶ = 22541144081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22541144147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 552561 + ... + 591950.

It is an arithmetic number, because the mean of its divisors is an integer number (1225772352).

Almost surely, 2^22541144145 is an apocalyptic number.

It is an amenable number.

22541144145 is a deficient number, since it is larger than the sum of its proper divisors (16683571119).

22541144145 is a wasteful number, since it uses less digits than its factorization.

22541144145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144633.

The product of its digits is 25600, while the sum is 33.

Adding to 22541144145 its reverse (54144114522), we get a palindrome (76685258667).

The spelling of 22541144145 in words is "twenty-two billion, five hundred forty-one million, one hundred forty-four thousand, one hundred forty-five".