22145144001445 has 16 divisors (see below), whose sum is σ = 26971638625728. Its totient is φ = 17451154385280.

The previous prime is 22145144001443. The next prime is 22145144001473. The reversal of 22145144001445 is 54410044154122.

It is not a de Polignac number, because 22145144001445 - 2¹ = 22145144001443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22145144001443) 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 15 ways as a sum of consecutive naturals, for example, 9969697 + ... + 11986873.

It is an arithmetic number, because the mean of its divisors is an integer number (1685727414108).

Almost surely, 2^{22145144001445} is an apocalyptic number.

It is an amenable number.

22145144001445 is a deficient number, since it is larger than the sum of its proper divisors (4826494624283).

22145144001445 is a wasteful number, since it uses less digits than its factorization.

22145144001445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050020.

The product of its (nonzero) digits is 102400, while the sum is 37.

Adding to 22145144001445 its reverse (54410044154122), we get a palindrome (76555188155567).

The spelling of 22145144001445 in words is "twenty-two trillion, one hundred forty-five billion, one hundred forty-four million, one thousand, four hundred forty-five".